BYD SEALION 6 DM-i Fault Diagnosis and Troubleshooting Wirings Circuits | Interactive HTML Manual

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Description

This interactive HTML manual is engineered for professionals working on the BYD SEALION 6 DM-i (2024) plug-in hybrid SUV. It delivers diagnostic logic, wiring schematics, fault tracing, and circuit troubleshooting procedures—all organized in a clear, clickable HTML format with no broken links or redirections.


High Voltage (HV) & Hybrid Circuits

  • Visual breakdown of the DM-i hybrid system, with focus on BMU, BMS, OBC, DC/DC converter, and inverter

  • HV battery circuit diagrams, fusing, relays, and cable routing

  • Includes isolation fault testing, insulation resistance thresholds, and HV shutdown protocols


Fault Diagnosis & DTC Logic

  • Structured diagnostic workflows using DTCs (Diagnostic Trouble Codes) and guided test trees

  • Interactive references for each ECU, including:

    • VCU (Vehicle Control Unit)

    • MCU (Motor Control Unit)

    • HVAC, EPS, BMS, SRS, Gateway

  • ECU connector terminal views with signal descriptions and voltages


Full Wiring Diagrams

  • Detailed circuit overlays by system: powertrain, body, chassis, ADAS, lighting, HVAC

  • Connector ID mapping, wire colors, gauges, fuse & relay positions

  • Includes power distribution, ground networks, and cross-system interconnects


System Troubleshooting

  • Covers failure scenarios like:

    • HV system no start

    • Intermittent inverter errors

    • Communication loss (CAN, UDS, K-Line)

  • Includes symptom-code correlation, component test specs, and multimeter probe points


Format & Usage

  • Delivered in clean HTML file structure, easily browsable offline or on workshop intranets

  • No external dependencies (no href/target links), loads instantly

  • Organized using intuitive nesting by system/subsystem


Ideal Users

  • Diagnostic engineers

  • ECU tuning and flashing technicians

  • High-voltage qualified service techs

  • Retrofit shops working with BYD hybrid systems


Delivery:

The download link will be promptly delivered to your email upon completing the checkout process.

 

    • 2024 BYD SEALION 6 DM-i (Australia and New Zealand)
    • Table of Contents booklists - hide
      • Table of Contents toc - hide
    • General Repair Information
      • Diagnosis and repair method
        • Diagnostic information
          • Fault diagnosis and troubleshooting
          • Circuit simulation tests
          • Precautions for checking control modules and electrical parts
          • How to check connectors
        • Repair instructions
          • Operation tips
        • Circuit troubleshooting
          • Workflow
          • Detection and repair of fuses
          • How to deal with intermittent faults
          • How to deal with historical faults
        • Noise, vibration and harshness (NVH)
          • Instructions and operations
          • Diagnosis and testing
    • Engine
      • Engine electronic control system (1.5L)
        • Diagnostic instructions
        • Conventional fault symptoms table
        • DTC list
        • P000A00 Intake VVT operation fault (delay)
        • P001000 Intake VVT control circuit open-circuited
        • P001676 Crankshaft-intake camshaft initial installation position implausible (Bank1)
        • P001678 Crankshaft-intake camshaft relative position deviation too high (Bank1)
        • P003000 Upstream heated oxygen sensor heating control circuit open-circuited
        • P003100 Upstream heated oxygen sensor heating control circuit undervoltage
        • P003200 Upstream heated oxygen sensor heating control circuit overvoltage
        • P003600 Downstream heated oxygen sensor heating control circuit open-circuited
        • P003700 Downstream heated oxygen sensor heating control circuit undervoltage
        • P003800 Downstream heated oxygen sensor heating control circuit overvoltage
        • P003C00 Intake VVT operation fault (stuck)
        • P005300 Upstream heated oxygen sensor heating circuit fault
        • P005400 Downstream heated oxygen sensor heater internal resistance implausible
        • P007000 Ambient temperature sensor CAN communication lost
        • P007200 Ambient temperature sensor circuit undervoltage
        • P007300 Ambient temperature sensor circuit overvoltage
        • P00CE23 Intake air temperature sensor 1 cold start check implausible (negative deviation)
        • P00CE24 Intake air temperature sensor 1 cold start check implausible (positive deviation)
        • P010621 Intake pressure sensor pressure implausible (much lower than model pressure)
        • P010622 Intake pressure sensor pressure implausible (much higher than model pressure)
        • P01062A Intake pressure sensor signal value abnormal without fluctuation
        • P010700 Intake manifold pressure sensor short-circuited to GND
        • P010800 Intake manifold pressure sensor short-circuited to power supply
        • P011126 Intake air temperature sensor 1 signal implausible (stuck)
        • P011200 Intake air temperature sensor 1 circuit undervoltage
        • P011300 Intake air temperature sensor 1 circuit overvoltage
        • P011400 Intake air temperature sensor 1 circuit voltage implausible
        • P011623 Coolant temperature sensor 1 signal implausible (low-side)
        • P011700 Coolant temperature sensor 1 circuit undervoltage
        • P011800 Coolant temperature sensor 1 circuit overvoltage
        • P011900 Coolant temperature sensor 1 circuit voltage implausible
        • P012100 Electronic throttle position sensor 1 signal implausible
        • P012200 Electronic throttle position sensor 1 signal circuit undervoltage
        • P012300 Electronic throttle position sensor 1 signal circuit overvoltage
        • P012800 Thermostat performance implausible (coolant temperature unable to reach the nominal opening temperature of thermostat)
        • P013100 Upstream heated oxygen sensor signal circuit undervoltage (APE, IPE and RE circuits short-circuited to GND)
        • P013200 Upstream heated oxygen sensor signal circuit overvoltage (APE, IPE and RE circuits short-circuited to power supply)
        • P013300 Upstream heated oxygen sensor aging
        • P013600 Downstream heated oxygen sensor signal open-circuited
        • P013700 Downstream heated oxygen sensor signal circuit short-circuited to GND
        • P013800 Downstream heated oxygen sensor signal circuit short-circuited to power supply
        • P013A00 Rear heated oxygen sensor aging - slow signal response from the rich to lean side
        • P014D00 Front heated oxygen sensor aging - slow signal response from the lean to rich side
        • P020100 Cylinder 1 fuel injector control circuit open-circuited
        • P020200 Cylinder 2 fuel injector control circuit open-circuited
        • P020300 Cylinder 3 fuel injector control circuit open-circuited
        • P020400 Cylinder 4 fuel injector control circuit open-circuited
        • P022100 Electronic throttle position sensor 2 signal implausible
        • P022200 Electronic throttle position sensor 2 signal circuit undervoltage
        • P022300 Electronic throttle position sensor 2 signal circuit overvoltage
        • P025A00 Low-pressure oil pump circuit open-circuited
        • P025D00 Low-pressure oil pump circuit short-circuited
        • P026100 Cylinder 1 fuel injector control circuit undervoltage
        • P026200 Cylinder 1 fuel injector control circuit overvoltage
        • P026400 Cylinder 2 fuel injector control circuit undervoltage
        • P026500 Cylinder 2 fuel injector control circuit overvoltage
        • P026700 Cylinder 3 fuel injector control circuit undervoltage
        • P026800 Cylinder 3 fuel injector control circuit overvoltage
        • P027000 Cylinder 4 fuel injector control circuit undervoltage
        • P027100 Cylinder 4 fuel injector control circuit overvoltage
        • P030000 Engine random or multi-cylinder misfire
        • P030100 Physical cylinder 1 misfire detected
        • P030200 Physical cylinder 2 misfire detected
        • P030300 Physical cylinder 3 misfire detected
        • P030400 Physical cylinder 4 misfire detected
        • P032500 Knock sensor signal circuit undervoltage
        • P032600 Knock sensor signal circuit overvoltage
        • P032700 Knock sensor terminal A short-circuited to GND
        • P032714 Knock sensor terminal B short-circuited to GND
        • P032800 Knock sensor terminal A short-circuited to power supply
        • P032815 Knock sensor terminal B short-circuited to power supply
        • P033000 Knock sensor 2 signal circuit undervoltage
        • P033100 Knock sensor 2 signal circuit overvoltage
        • P033200 Knock sensor 2 terminal A short-circuited to GND
        • P033214 Knock sensor 2 terminal B short-circuited to GND
        • P033300 Knock sensor 2 terminal A short-circuited to power supply
        • P033315 Knock sensor 2 terminal B short-circuited to power supply
        • P033900 Speed sensor signal implausible
        • P034100 Intake camshaft sensor signal implausible (Bank1)
        • P034200 Intake camshaft sensor signal short-circuited to GND (Bank1)
        • P034300 Intake camshaft sensor signal short-circuited to power supply (Bank1)
        • P035100 Cylinder 1 ignition coil control circuit open-circuited
        • P035200 Cylinder 2 ignition coil control circuit open-circuited
        • P035300 Cylinder 3 ignition coil control circuit open-circuited
        • P035400 Cylinder 4 ignition coil control circuit open-circuited
        • P036300 Fuel cut off triggered by engine misfire
        • P040100 EGR flow too low
        • P040200 EGR flow too high
        • P040437 EGR valve duty cycle out of limit
        • P040477 Deviation between target position and actual position of EGR valve out of limit
        • P040500 EGR valve position sensor undervoltage
        • P040600 EGR valve position sensor overvoltage
        • P040A29 Excessive deviation between EGR actual temperature 1 and model temperature
        • P040A2A EGR temperature sensor 1 stuck
        • P040C00 EGR temperature 1 sensor 1 undervoltage
        • P040D00 EGR temperature 1 sensor 1 overvoltage
        • P040E00 EGR temperature 1 sensor voltage jump
        • P042000 Oxygen storage capacity aging of three-way catalytic converter
        • P044400 Carbon canister control valve control circuit open-circuited
        • P045200 Fuel tank pressure sensor circuit undervoltage
        • P045300 Fuel tank pressure sensor circuit overvoltage
        • P045125 Fuel tank pressure sensor signal offset/vibration
        • P045800 Carbon canister control valve control circuit undervoltage
        • P045900 Carbon canister control valve control circuit overvoltage
        • P046129 Fuel level signal implausible
        • P046200 Oil level sensor circuit undervoltage
        • P046300 Oil level sensor circuit overvoltage
        • P048700 EGR valve control circuit terminal A/B open-circuited
        • P049700 Carbon canister solenoid valve stuck and normally closed
        • P049D21 EGR valve initial zero-position self-learning below lower limit
        • P049D22 EGR valve initial zero-position self-learning above upper limit
        • P049D72 EGR valve zero-position self-learning above upper limit
        • P049D73 EGR valve zero-position self-learning below lower limit
        • P050000 Vehicle speed sensor input signal fault
        • P050165 Vehicle speed sensor performance fault (vehicle speed too low during coasting with fuel cut off)
        • P050166 Vehicle speed implausible - vehicle speed too low under heavy engine load
        • P050400 Brake signal correlation fault
        • P050C23 Coolant temperature sensor 1 cold start check implausible (negative deviation)
        • P050C24 Coolant temperature sensor 1 cold start check implausible (positive deviation)
        • P056200 System undervoltage
        • P056300 System overvoltage
        • P061A00 Second-level torque monitoring fault (torque comparison fault)
        • P061C00 Second-level engine speed monitoring fault
        • P064100 5V power supply module 1 fault
        • P064D00 LSU integrated chip register write fault
        • P064D13 LSU integrated chip SPI communication fault
        • P064E00 Upstream heated oxygen sensor element fault
        • P065100 Chip 5V supply voltage 2 fault
        • P068500 Main relay open-circuited
        • P068600 Main relay short-circuited to GND
        • P06869E ECM/PCM main relay stuck or short-circuited to GND
        • P068700 Main relay short-circuited to power supply
        • P069700 5V power supply module 3 fault
        • P06B842 Error in reading NVM Block
        • P06B843 Error in writing NVM Block
        • P06DA00 Two-stage oil pump control open-circuited
        • P06DB00 Two-stage oil pump control circuit undervoltage
        • P06DC00 Two-stage oil pump control circuit overvoltage
        • P120000 Intake pressure sensor pressure above upper limit
        • P120100 Intake pressure sensor pressure below lower limit
        • P120200 Ambient pressure sensor pressure above upper limit
        • P120300 Ambient pressure sensor pressure below lower limit
        • P121200 Vehicle speed sensor performance fault (vehicle speed out of maximum range)
        • P128200 Fuel tank pressure sensor signal out of range (positive direction)
        • P128300 Fuel tank pressure sensor signal out of range (negative direction)
        • P128400 Fuel level signal out of range
        • P129300 GPF differential pressure sensor channel 1 digital signal implausible
        • P129400 GPF differential pressure sensor channel 2 digital signal implausible
        • P129600 GPF differential pressure sensor signal stuck
        • P129A00 GPF rear pipe pressure sensor signal stuck
        • P129B00 GPF pressure sensor B physical value above upper limit
        • P129C00 GPF pressure sensor B physical value below lower limit
        • P12A200 GPF differential pressure sensor pipeline connected incorrectly
        • P12A300 Rear pipe connecting pipeline of GPF differential pressure sensor abnormal
        • P12B100 GPF pressure sensor A physical value below lower limit
        • P12B300 GPF differential pressure sensor model incorrect
        • P12B500 Front pipe connecting pipeline of GPF differential pressure sensor abnormal
        • P12B900 GPF pressure sensor A physical value above upper limit
        • P136400 Low-pressure oil pump stalling
        • P138823 Ambient temperature sensor cold start check implausible (negative deviation)
        • P138824 Ambient temperature sensor cold start check implausible (positive deviation)
        • P142000 CAN hardware register response timeout
        • P150000 Collision fuel cut-off signal received by vehicle
        • P150100 Airbag communication message implausible
        • P151000 Knock sensor signal evaluation and diagnosis
        • P152000 Load predictive monitoring fault
        • P152300 Oil circuit monitoring fault in fuel cut-off mode
        • P152400 Oil circuit monitoring fault in oil supply mode
        • P152700 First-level safe fuel cut-off monitoring fault
        • P152800 Second-level safe fuel cut-off monitoring fault
        • P153000 AD converter zero test monitoring fault
        • P153100 AD converter given voltage test monitoring fault
        • P153300 Mixed gas monitoring fault
        • P153400 Load comparison monitoring fault
        • P153600 Working mode monitoring fault
        • P153800 Fault of ignition angle signal, wiring harness, or ECU
        • P153900 Synchronization process rationality check
        • P155000 Electronic throttle self-learning conditions not met
        • P155100 Electronic throttle lower limit position initialization self-learning fault
        • P155400 Maximum return spring check fault
        • P155500 Minimum return spring check fault
        • P155600 Throttle mechanical BDC second-time self-learning fault
        • P155700 Throttle mechanical BDC second-time self-learning minimum fault
        • P155800 Deviation between throttle limp position and initial self-learning out of limit
        • P155900 Throttle limp position above upper limit
        • P155A00 Deviation between throttle limp position and last self-learning out of limit
        • P155B00 Throttle limp position below lower limit
        • P156000 Throttle body PID adjustment out of limit
        • P156100 DVE position control deviation fault
        • P157100 Drive-level inspection fault or communication fault in closing path inspection
        • P157200 ABE activated under normal voltage
        • P157300 Monitoring error response fault
        • P157400 Errorpin activated, but monitoring communication normal
        • P157500 DVE drive shutdown caused by overvoltage
        • P15A000 CPU0: MPU fault (register, DSPR, PSPR)
        • P15A100 CPU0: DCACHE/DSPR ECC uncorrectable
        • P15A200 CPU0: DCACHE/DSPR address error
        • P15A300 CPU0:DCACHE TAG SRAM ECC uncorrectable
        • P15A400 CPU0:DCACHE TAG SRAM address error
        • P15A500 CPU0:PCACHE TAGRAM ECC uncorrectable
        • P15A600 CPU0:PCACHE TAGRAM address error
        • P15A700 CPU0: PCACHE/PSPR ECC uncorrectable
        • P15A800 CPU0:PCACHE/PSPR address error
        • P15A900 CPU1:Lockstep comparator fault
        • P15AA00 CPU1:MPU fault (register, DSPR, PSPR)
        • P15AB00 CPU1:DCACHE/DSPR ECC uncorrectable
        • P15AC00 CPU1:DCACHE/DSPR address error
        • P15AD00 CPU1:DCACHE TAGRAM ECC uncorrectable
        • P15AE00 CPU1:DCACHE TAGRAM address error
        • P15AF00 CPU1:PCACHE TAGRAM ECC uncorrectable
        • P15B000 CPU1:PCACHE TAGRAM address error
        • P15B100 CPU1:PCACHE/PSPR ECC uncorrectable
        • P15B200 CPU1:PCACHE/PSPR address error
        • P15B300 LMU:SRAM ECC monitoring fault
        • P15B400 LMU:SRAM ECC uncorrectable
        • P15B500 LMU:SRAM address error
        • P15B600 SMU: recovery Timer 0 timeout
        • P15B700 SMU: recovery Timer 1 timeout
        • P15B800 PMU:PFLASH ECC uncorrectable multiple bit faults
        • P15B900 PMU:PFLASH address error
        • P15BA00 PMU:PFLASH ECC monitoring fault (covering all ECC modules)
        • P15BB00 PMU:PFLASH EDC comparator fault (covering all PFLASH instances)
        • P15BC00 SCU/CGU: system PLL OSC_WDT: input clock out of limit
        • P15BD00 SCU/CGU: system PLL VCO clock event lost
        • P15BE00 SCU/EVR: EVR 1.3V digital undervoltage
        • P15BF00 SCU/EVR: EVR 3.3V overvoltage
        • P15C000 SCU/EVR: external power supply overvoltage
        • P15C100 SCU/WDTS: security watchdog timeout
        • P15C200 SCU/WDTCPU0: watchdog CPU0 timeout
        • P15C300 SCU/WDTCPU1: watchdog CPU1 timeout
        • P15C400 SCU/CGU: PLL_ERAY VCO clock event lost
        • P15C500 SCU/WDTCPU2: watchdog CPU2 timeout
        • P15C600 SCU/DTS: temperature sensor overflow
        • P15C700 Registers: fault detected by register monitoring
        • P15C800 SCU/LSCU: SCU configuration fault
        • P15C900 SCU/CGU: clock monitoring: STM out of frequency range
        • P15CA00 SCU/CGU: clock monitoring: PLL_ERAY out of frequency range
        • P15CB00 SCU/CGU: clock monitoring: PLL out of frequency range
        • P15CC00 SCU/CGU: clock monitoring: SRI out of frequency range
        • P15CD00 SCU/CGU: clock monitoring: SPB out of frequency range
        • P15CE00 SCU/CGU: clock monitoring: GTM out of frequency range
        • P15CF00 SCU/CGU: clock monitoring: ADC out of frequency range
        • P15D000 GTM: SRAMs uncorrectable
        • P15D100 FLEXRAY:SRAM address error
        • P15D200 Misc SRAMs:SRAM ECC uncorrectable
        • P15D300 Misc SRAMs:SRAM address error
        • P15D400 GTM: SRAMs address error
        • P15D500 CAN: SRAM uncorrectable
        • P15D600 CAN: SRAM address error
        • P15D700 FLEXRAY:SRAM ECC uncorrectable
        • P15D800 CPU2:MPU fault (register, DSPR, PSPR)
        • P15D900 CPU2: DCACHE/DSPR ECC uncorrectable
        • P15DA00 CPU2: DCACHE/DSPR address error
        • P15DB00 CPU2: DCACHE TAG SRAM ECC uncorrectable
        • P15DC00 CPU2:DCACHE TAG SRAM address error
        • P15DD00 CPU2:121 PCACHE TAGRAM ECC uncorrectable
        • P15DE00 CPU2:PCACHE TAGRAM address error
        • P15DF00 CPU2: PCACHE/PSPR ECC uncorrectable
        • P15E000 CPU2: PCACHE/PSPR address error
        • P170000 EGR drive circuit communication fault
        • P208800 Intake VVT control circuit undervoltage
        • P208900 Intake VVT control circuit overvoltage
        • P210000 Electronic throttle drive-level fault (open-circuited)
        • P210300 Electronic throttle drive-level fault (short-circuited)
        • P210600 Electronic throttle drive-level fault (implausible)
        • P211800 Electronic throttle drive-level fault (overheat or overcurrent)
        • P214200 EGR valve control circuit terminal A/B short-circuited to power supply or GND
        • P217700 Air-fuel ratio closed-loop control self-learning value above upper limit (medium load area)
        • P217800 Air-fuel ratio closed-loop control self-learning value below lower limit (medium load area)
        • P218323 Coolant temperature sensor 2 cold start check implausible (negative deviation)
        • P218324 Coolant temperature sensor 2 cold start check implausible (positive deviation)
        • P218400 Coolant temperature sensor 2 circuit undervoltage
        • P218500 Coolant temperature sensor 2 circuit overvoltage
        • P219500 LSU heated oxygen sensor characteristic offset (lean side)
        • P219600 LSU heated oxygen sensor characteristic offset (rich side)
        • P222721 Ambient pressure sensor pressure implausible (too low)
        • P222722 Ambient pressure sensor pressure implausible (too high)
        • P222800 Ambient pressure sensor short-circuited to GND
        • P222900 Ambient pressure sensor short-circuited to power supply
        • P223700 LSU heated oxygen sensor APE circuit open-circuited (close to ECU terminal)
        • P223713 LSU heated oxygen sensor APE circuit open-circuited
        • P224300 Upstream heated oxygen sensor RE circuit open-circuited
        • P225100 Upstream heated oxygen sensor IPE circuit open-circuited
        • P227000 Rear heated oxygen sensor aging - signal remaining lean
        • P227100 Rear heated oxygen sensor aging - signal remaining rich
        • P230000 Cylinder 1 ignition coil control circuit undervoltage
        • P230100 Cylinder 1 ignition coil control circuit overvoltage
        • P230300 Cylinder 2 ignition coil control circuit undervoltage
        • P230400 Cylinder 2 ignition coil control circuit overvoltage
        • P230600 Cylinder 3 ignition coil control circuit undervoltage
        • P230700 Cylinder 3 ignition coil control circuit overvoltage
        • P230900 Cylinder 4 ignition coil control circuit undervoltage
        • P231000 Cylinder 4 ignition coil control circuit overvoltage
        • P241400 Upstream heated oxygen sensor output voltage implausible
        • P245400 GPF differential pressure sensor circuit undervoltage
        • P245500 GPF differential pressure sensor circuit overvoltage
        • P25B000 Oil level sensor signal stuck
        • P261000 Chip shutdown timing function failure or error too large
        • P261700 Speed sensor signal lost
        • P262600 Upstream heated oxygen sensor MES circuit open-circuited
        • U007300 CAN bus 1 OFF
        • U012200 Loss of communication with ESP module
        • U014100 Loss of communication with left domain control unit
        • U015500 Loss of communication with instrument panel cluster
        • U016B00 Loss of communication with A/C module
        • U04A000 Engine coolant pump LIN communication fault
        • U067600 Loss/failure/check error of oil level sensor signal
        • U100E00 Loss of communication with HCU
        • U100F00 Loss of communication with HCU
        • U10B100 Loss of communication with VCU
        • U10B200 Loss of communication with VCU
        • U10B300 Loss of communication with VCU
        • U10B400 Loss of communication with VCU
        • U10B500 Loss of communication with VCU
        • U10B600 Loss of communication with VCU
        • U10B700 Loss of communication with VCU
        • U10B800 Loss of communication with instrument panel cluster
        • U350100 CAN module input undervoltage
        • U350200 CAN module input overvoltage
      • Engine electronic control system (1.5T)
      • Fuel supply system
    • High-voltage System
    • Thermal Management
    • Drive System
      • Wheel system
        • Diagnostic instructions
        • Conventional fault symptoms table
      • Transmission shaft
        • Diagnostic instructions
        • Conventional fault symptoms table
    • Steering System
      • Diagnostic instructions
      • Basic process of troubleshooting
      • Conventional fault symptoms table
      • DTC list
      • C1A2600 LKA self-learning fault
      • U01A500 Loss of communication with front motor control unit
      • C1A3D00 LDW vibration protection
      • C1A3D02 LDW self-learning fault
      • C1A3E00 DST request out of limit
      • C1A3E02 DST self-learning fault
      • C1A4502 APA self-learning fault
      • C1B1000 Vehicle speed fault
      • U018F87 Loss of communication with VCU (VCU message 0x410 lost)
      • U010087 Loss of communication with ECM (1.5L engine)
      • U010087 Loss of communication with ECM (1.5T engine)
      • U029D00 Loss of communication with ESP
      • C1B9100 EPS fault - angle sensor (internal fault of angle sensor)
      • C1B8600 Failure to write controller configuration information
      • C1B8704 EPS fault - torque sensor (internal fault of torque sensor)
      • C1B8500 General CAN network fault (CAN bus off)
      • C1B8800 EPS fault - motor (motor fault)
      • C1B8A00 EPS fault - ECU (configuration not completed)
      • C1B8C00 EPS fault - ECU (calibration data lost)
      • U1F0E87 Loss of communication with VCU (Ready message 0x341 lost)
      • C1B9200 Center position of steering wheel not calibrated
      • C1B8E00 EPS fault - ECU (ECU fault)
      • C1B8F00 EPS fault - EPS thermal protection degradation (control unit overheating)
      • C1B9500 MPC torque request fault
      • U019D80 APA message fault
      • C1A2600 LKA self-learning fault
    • Brake System
      • IPB system
        • Diagnostic instructions
        • Basic process of troubleshooting
        • Conventional fault symptoms table
        • DTC list
        • B163302 0x1CC signal length error
        • B163308 0x1CC signal counter error
        • B163389 0x1CC signal check code error
        • B163402 0x1FA signal length error
        • B163408 0x1FA signal counter error
        • B163489 0x1FA signal check code error
        • B163502 SRS data length error
        • B163508 SRS CRC check error
        • B163589 SRS counter error
        • P056300 System overvoltage - OBD
        • P056200 System undervoltage - OBD
        • P056216 System undervoltage
        • U030100 40D engine type not matching
        • U031800 Variable input error or null variable
        • C050000 Front left wheel speed sensor open-circuited - OBD
        • C050200 Front left wheel speed sensor signal circuit short-circuited to GND circuit - OBD
        • C050300 Front left wheel speed sensor signal circuit short-circuited to power supply circuit - OBD
        • C050400 Abnormal air gap of front left wheel speed sensor - OBD
        • C003100 Front left wheel speed sensor signal fault - OBD
        • C003200 Front left wheel speed sensor supply voltage low OBD
        • C0500FC OBD_front left wheel speed sensor open-circuited
        • C050576 Wrong installation direction of front left wheel speed sensor
        • C055500 Front left wheel speed sensor signal protocol error - OBD
        • C05D500 TSV valve fault - OBD
        • P056023 UBVR(PIN14) power supply circuit open-circuited
        • P056024 UBVR(PIN46) power supply circuit open-circuited
        • C120700 Failure of pump to return
        • C13FC04 BCM 0x13B message CRC check error
        • C13FC08 BCM 0x13B message communication timeout
        • U059604 BCM 0x3B4 message communication timeout
        • U059608 BCM 0x3B4 byte length, CRC, Counter, signal value error
        • C1A3800 Failure to completely initialize system
        • C1E2008 Lateral acceleration invalid
        • C1E2089 Lateral channel status invalid
        • C1E2108 Longitudinal acceleration invalid
        • C1E2189 Longitudinal channel status invalid
        • C003400 Front right wheel speed sensor signal fault - OBD
        • C003500 Front right wheel speed sensor supply voltage low - OBD
        • C050A00 Abnormal air gap of front right wheel speed sensor - OBD
        • C0506FC OBD_front right wheel speed sensor open-circuited
        • C050600 Front right wheel speed sensor open-circuited - OBD
        • C050800 Front right wheel speed sensor signal circuit short-circuited to GND circuit - OBD
        • C050900 Front right wheel speed sensor signal circuit short-circuited to power supply circuit - OBD
        • C055600 Front right wheel speed sensor signal protocol error - OBD
        • C050B76 Wrong installation direction of front right wheel speed sensor
        • U059508 FM data corrupted 5
        • U059506 VCU 0x242 byte length, CRC, Counter, signal value error
        • U059509 VCU 0x356 byte length, CRC, Counter, signal value error
        • U01000F DTCS FMCU 0x2BF message communication timeout
        • U05950A DTCS - FMCU 0x2A9 byte length, CRC, Counter, signal value error
        • U05950B DTCS - FMCU 0x2BF byte length, CRC, Counter, signal value error
        • U01000E DTCS FMCU 0x2A9 message communication timeout
        • C05C300 OBD_brake booster motor_power supply circuit fault
        • P0562FC OBD_ECU low voltage_other cycles
        • C0072FB Brake overtemperature_other cycles
        • C0072FC General valve fault_other cycles
        • C101008 ECU software fault
        • C102001 ECU hardware error
        • C050C00 Rear left wheel speed sensor open-circuited - OBD
        • C050CFC OBD_rear left wheel speed sensor open-circuited
        • C050E00 Rear left wheel speed sensor signal circuit short-circuited to GND circuit - OBD
        • C050F00 Rear left wheel speed sensor signal circuit short-circuited to power supply circuit - OBD
        • C003700 Rear left wheel speed sensor signal fault - OBD
        • C003800 Rear left wheel speed sensor supply voltage low - OBD
        • C055700 Rear left wheel speed sensor signal protocol error - OBD
        • C051000 Abnormal air gap of rear left wheel speed sensor - OBD
        • C051176 Wrong installation direction of rear left wheel speed sensor
        • P05CB00 OBD_hardware incompatibility between ECU and HU
        • P057D00 OBD_brake pedal position sensor A circuit voltage high
        • P057C00 OBD_brake pedal position sensor A circuit voltage low
        • P05DE00 OBD_brake pedal position sensor B circuit voltage high
        • P05DD00 OBD_brake pedal position sensor B circuit voltage low
        • P057B00 OBD_brake pedal position sensor A circuit range/performance
        • P057E00 OBD_brake pedal position sensor A circuit intermittent/unstable
        • P05DF00 OBD_brake pedal position sensor B circuit intermittent/unstable
        • C061900 OBD_pedal position sensor 1 compensation over learning limit
        • C061A00 OBD_pedal position sensor 2 compensation over learning limit
        • C1000FC ECU error_other cycles
        • C056C00 OBD_pressure sensor 2 unstable
        • C200004 Rollerbench misuse
        • C062D00 OBD_solenoid valve VRG abnormal
        • C053CFC OBD_general wheel speed fault_other faults
        • C007204 Brake disc overheating
        • C0591FC OBD_brake booster motor 1 undercurrent
        • C059200 OBD_brake booster motor 2 overcurrent
        • C0592FC OBD_brake booster motor 2 overcurrent
        • C059300 OBD_brake booster motor 2 undercurrent
        • C0512FC OBD rear right wheel speed sensor open-circuited
        • C051400 Rear right wheel speed sensor signal circuit short-circuited to GND circuit - OBD
        • C051500 Rear right wheel speed sensor signal circuit short-circuited to power supply circuit - OBD
        • C003A00 Rear right wheel speed sensor signal fault - OBD
        • C003B00 Rear right wheel speed sensor supply voltage low - OBD
        • C051200 Rear right wheel speed sensor open-circuited - OBD
        • C051600 Abnormal air gap of rear right wheel speed sensor - OBD
        • C051776 Wrong installation direction of rear right wheel speed sensor
        • C055800 Rear right wheel speed sensor signal protocol error - OBD
        • C1901FC ECU supply voltage too low
        • C190004 ECU voltage high
        • C190104 ECU low voltage
        • C1E2A00 RCTB signal counter error
        • C1E2B00 RCTB signal check code error
        • C1E2C00 RCTB signal length error
        • C1E2D00 RCTB signal communication timeout
        • C1E2E00 Request for control ACCAebaxTar invalid
        • C1E2F00 Target deceleration requested by ACC invalid
        • C1E3000 DTC signal counter error
        • C1E3100 DTC signal check code error
        • C1E3200 DTC signal length error
        • C1E3300 DTC signal communication timeout
        • C1E3400 Coasting feedback target torque failure
        • C1E3500 Front axle DMC version information value invalid
        • C1E3600 Rear axle DMC version information value invalid
        • C004460 Pressure sensor signal fault
        • C004900 Fluid level sensor circuit open-circuited - OBD
        • C001000 Front left fluid inlet valve fault - OBD
        • C001100 Front left fluid outlet valve fault - OBD
        • C001400 Front right fluid inlet valve fault - OBD
        • C001500 Front right fluid outlet valve fault - OBD
        • C001800 Rear left fluid inlet valve fault - OBD
        • C001900 Rear left fluid outlet valve fault - OBD
        • C001C00 Rear right fluid inlet valve fault - OBD
        • C001D00 Rear right fluid outlet valve fault - OBD
        • C002400 SSV valve fault
        • C002100 Brake booster module pipeline hydraulic pressure lower than normal value - OBD
        • C002192 Brake booster module pipeline hydraulic pressure lower than normal value
        • C058200 Brake booster motor circuit signal abnormal - OBD
        • C058800 Circuit undervoltage of brake booster motor position sensor A - OBD
        • C058900 Circuit overvoltage of brake booster motor position sensor A - OBD
        • C059000 Brake booster motor supply current too high - OBD
        • C058A00 Circuit voltage of brake booster motor position sensor A abnormal - OBD
        • C058AFC OBD_MPS1 Performance_other cycles
        • C0590FC OBD_brake booster motor 1 overcurrent
        • C059100 Brake booster motor supply undercurrent - OBD
        • C0593FC OBD_brake booster motor 2 undercurrent
        • C059400 Brake booster motor load abnormal - OBD
        • C059500 Electrical booster power supply abnormal - OBD
        • C059592 Electrical booster power supply abnormal
        • C0595FC OBD_brake booster internal power driver performance
        • C059700 Exhaust not completed
        • C059900 Brake booster control module not calibrated
        • C05C200 Brake booster motor A overtemperature - OBD
        • C05C24B Brake booster motor A overtemperature - OBD
        • C004C04 ESP off switch failure
        • C007200 Brake system overtemperature or brake pedal/accelerator pedal signal implausible
        • C052901 Steering angle sensor module lost
        • C055000 ECU fault
        • C055F00 Hydraulic unit abnormal - OBD
        • C055F92 Hydraulic unit fault
        • C055FFB Hydraulic unit pressure build-up fault
        • C055FFC OBD_hydraulic unit pressure buildup fault
        • C104C04 AVH switch fault
        • C104400 Hydraulic unit exhaust not completed - OBD
        • C121208 Model variable code error
        • C2A2000 Hydraulic circuit C overcompensation
        • P05E000 OBD_brake pedal position sensors A and B check error
        • P05E009 Brake pedal position sensors A and B check error
        • P05FF00 OBD_BSM check error
        • P05FF09 BSM check error
        • P060400 ECU internal control module fault (RAM) - OBD
        • P060500 ECU internal control module fault (ROM) - OBD
        • P060600 ECU fault (hardware / microprocessor) - OBD
        • P0606FC OBD_ECU error_other cycles
        • P060700 ECU hardware fault - OBD
        • P060B00 ECU hardware fault (A/D processor) - OBD
        • P060C00 ECU internal control module fault (program running)
        • P060C00 ECU internal control module fault (program running) - OBD
        • P062C00 OBD_ECU ASIC wheel speed sensor module abnormal
        • U01F087 0x1CC signal communication timeout
        • U01F187 0x1FA signal communication timeout
        • U01F287 SRS signal communication timeout
        • U025900 VCU message communication timeout - OBD
        • U02D883 SCU 0x35C message signal damaged
        • U02D886 SCU system fault
        • U02D887 SCU 0x35C message communication timeout
        • U300000 Microprocessor error in ECU - OBD
        • U300600 Control module input voltage error
        • C000100 TCS control valve A fault 1
        • C000200 TCS control valve A fault 2
        • C000300 CSV valve 2 fault - OBD
        • C000400 TCS control valve B fault 2
        • C006102 IPB 0x223 message Ay signal value error
        • C006108 Lateral acceleration sensor signal fault
        • C006164 IPB 0x223 message Ay signal status bit error
        • C006202 IPB 0x223 message Ax signal value error
        • C006208 Longitudinal acceleration sensor signal fault
        • C006302 IPB 0x222 message Yaw signal value error
        • C006308 IPB 0x222 message Yaw signal value error
        • C006382 IPB 0x222 message Counter value error
        • C1C3F08 Indicated yaw rate invalid
        • C1C3F02 Yaw rate channel status invalid
        • C006A01 Yaw rate sensor parameter configuration error
        • C006A02 Yaw rate sensor signal error
        • C051D01 IPB yaw rate sensor calibration error
        • C006B00 ESP system runtime abnormal
        • C007406 EMC_other actuators activated
        • C009000 MW_eeprom reading or writing out of limit
        • C009100 MW_MPU detected inactive
        • C009200 MW_spillage during movement
        • C00A800 Integrated inertial sensor (IIS) not calibrated or failed
        • C046008 EPS 0x11F message SAS signal value unreliable/error
        • C052801 EPS 0x11F message SAS signal and wheel speed check abnormal
        • C053C00 Wheel speed sensor signal cross-check error - OBD
        • C053C76 Wrong installation direction of wheel speed sensor
        • C053D00 Pressure sensor B signal abnormal - OBD
        • C053E00 Pressure sensor A circuit undervoltage - OBD
        • C053F00 Pressure sensor A circuit overvoltage - OBD
        • C054100 Pressure sensor B signal abnormal - OBD
        • C054200 Pressure sensor B circuit undervoltage - OBD
        • C054300 Pressure sensor B circuit overvoltage - OBD
        • C055164 IPB 0x223 message Ax signal status bit error
        • C053B00 Power supply circuit of ABS valve open-circuited OBD
        • C056300 OBD_ABS control implausible
        • C056364 ABS system runtime abnormal
        • C056B00 Brake booster module pressure sensor fault - OBD
        • C057900 Circuit undervoltage of brake booster temperature sensor B - OBD
        • C057A00 Circuit overvoltage of brake booster temperature sensor B - OBD
        • C057E00 OBD_booster temperature abnormal
        • C057F00 Brake booster motor open-circuited - OBD
        • C058E00 OBD CRB signal invalid
        • C058F00 VCU 0x410 message coasting feedback signal error - OBD
        • C05CA00 Master cylinder position sensor A circuit overvoltage - OBD
        • C05CB00 Master cylinder position sensor A circuit undervoltage - OBD
        • C007500 Master cylinder position sensor A fault/short-circuited - OBD
        • C05CC00 Master cylinder position sensor A abnormal - OBD
        • C05CD00 Master cylinder position sensor B circuit overvoltage - OBD
        • C05CE00 Brake master cylinder piston position sensor B undervoltage
        • C05CF00 Master cylinder position sensor B abnormal - OBD
        • C05D000 Master cylinder position sensor signal value error - OBD
        • P229900 Master cylinder position sensor signal check error - OBD
        • C05D200 Master cylinder stroke greater than expected value - OBD
        • C05D300 Brake pedal pressure greater than expected value - OBD
        • C05D309 Brake pedal pressure greater than expected value
        • C055E00 Brake hydraulic circuit A leakage
        • C12F909 Brake hydraulic circuit blocked
        • C05B000 Brake hydraulic circuit L2 leakage - OBD
        • C05B001 Brake hydraulic circuit L1 leakage
        • C2A1700 Brake hydraulic circuit L1 overcompensation (air present)
        • C102A00 R gear signal check abnormal
        • C106600 Steering angle sensor not calibrated
        • C1066FC SAS calibration error
        • C13FA00 Tire pressure reset switch stuck
        • C13F100 TPMS third-party access out of limit
        • C13F300 TPMS EEPROM error
        • C13F400 TPMS library error
        • C13F401 TPMS library error
        • C13F402 TPMS check error
        • C13F403 TPMS operation error
        • C13F600 TPMS access EEPROM diagnostic data abnormal
        • C13F700 TPMS inefficient
        • C13F800 TPMS tire size error
        • P060200 ECU_SW control module programming error - OBD
        • P06B800 ECU internal control module fault (NVRAM memory) - OBD
        • P06B8FC OBD_ECU hardware error: RAM fault
        • P25C600 Circuit undervoltage of brake booster temperature sensor A - OBD
        • P25C700 Circuit overvoltage of brake booster temperature sensor A - OBD
        • U000400 OBD_CAN bus undervoltage
        • U000500 OBD_CAN bus overvoltage
        • U007300 CAN bus abnormal (private CAN) - OBD
        • U01000A ECM data corrupted
        • U01000B VCU 0x240 byte length, CRC, Counter, signal value error
        • U01000C VCU 0x240 message communication timeout
        • U01000D ECM communication timeout
        • U011000 VCU 0x241 message communication timeout - OBD
        • U012604 EPS 0x11F message communication timeout
        • U012608 EPS 0x11F byte length, CRC, Counter, signal value error
        • U012682 SAS counter error
        • U013104 EPS 0x27F message communication timeout
        • U014883 DTCS - Failure in handshake between FMCU DMC and IPB
        • U014887 DTCS FMCU input signal invalid
        • U030000 ECU internal control module software fault - OBD
        • U030080 0x272 signal communication timeout
        • U030082 0x272 signal counter error
        • U030089 0x272 signal length error
        • U030183 0x272 signal check code error
        • U041100 VCU 0x241 byte length, CRC, Counter, signal value error - OBD
        • U042008 EPS 0x27F byte length, CRC, Counter, signal value error
        • U043204 Yaw rate sensor signal communication timeout
        • U043208 IPB private network IMU signal byte length, CRC, Counter, signal value error
        • U044700 OBD_invalid data received from gateway
        • U059204 VCU 0x251 message communication timeout
        • U059208 VCU 0x251 byte length, CRC, Counter, signal value error
        • U059504 VCU 0x241 message communication timeout
        • U059505 VCU 0x241 byte length, CRC, Counter, signal value error
        • U100004 CAN bus abnormal (common CAN)
        • U100304 EPB 0x218 message communication timeout
        • U100308 EPB 0x218 byte length, CRC, Counter, signal value error
        • U161308 EPS 0x11F message SAS signal status bit invalid
        • U162308 EPS 0x11F message SAS signal status bit invalid
        • U014604 Gateway communication timeout
        • U014608 BCM 0x294 byte length, CRC, Counter, signal value error
        • C000A08 ACC 0x32E byte length CRC Counter signal value error
        • C000B04 ACC 0x32E message communication timeout
        • U010000 EMS 0x10D message communication timeout - OBD
        • U010003 EMS 0x10D message engine signal abnormal (speed, operating state)
        • U010004 EMS 0x10D message communication timeout
        • U010005 EMS 0x10D byte length, CRC, Counter, signal value error
        • U040100 EMS 0x10D byte length, CRC, Counter, signal value error - OBD
      • EPB system
    • Wiping and Washing
      • Washer system
        • Diagnostic instructions
        • Basic process of troubleshooting
        • DTC list
        • B1C0D12 Washer motor short-circuited
        • B1C0D13 Washer motor open-circuited
        • B1C0D71 Washer motor stalling
      • Wiper
    • Roof
    • Supplemental Restraint System
    • Entry and Immobilizer System
    • Refueling and Charging Port Cap Control
    • Low-voltage Power Supply and Distribution
    • Instrument and Warning System
    • Driver Assistance
    • Comfort and Convenience System
    • IVI
    • Interior Light System
    • Exterior Light System
    • A/C
    • Switch and Wiring Harness
    • Network and Communication
      • Gateway system
        • Diagnostic instructions
        • Basic process of troubleshooting
        • DTC list
        • Conventional fault diagnosis
        • B12F200 Loss of communication with electronic injection network
        • B12ED00 Loss of communication with body network
        • B12F100 Loss of communication with chassis network
        • B12F400 Loss of communication with energy network
        • B12F500 Loss of communication with ADAS network
        • B12EE00 Loss of communication with smart access network
        • B123400 Power supply voltage low
        • B123500 Power supply overvoltage

 BYD SEALION 6 DM-i Fault Diagnosis and Troubleshooting Wirings Circuits Interactive HTML Manual

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