DTC U0001:88/U0100:00/U0121:00/U0155:00/U0214:00


id060200818200

DTC
U0001:88
CAN system Communication error
U0100:00
Communication error to PCM
U0121:00
Communication error to DSC HU/CM
U0155:00
Communication error to instrument cluster
U0214:00
Communication error to start stop unit
DETECTION CONDITION
•  U0001:88
―  Error detected in line between CAN connection module and CAN bus communication line
•  U0100:00
―  Communication error to PCM is detected in CAN communication
•  U0121:00
―  Communication error to DSC CM is detected in CAN communication
•  U0155:00
―  Communication error to instrument cluster is detected in CAN communication
•  U0214:00
―  Communication error to start stop unit is detected in CAN communication
FAIL-SAFE FUNCTION
•  U0001:88
―  Control enabled
―  Power steering malfunction indicator light: Illuminated
•  U0100:00
―  Control is maintained by gradually changing the controlled vehicle speed and setting it to 100 km/h {62.1 mph}
―  Power steering malfunction indicator light: Illuminated
•  U0121:00, U0155:00
―  Control enabled
―  Power steering malfunction indicator light: Not illuminated
•  U0214:00
―  Control enabled
―  Power steering malfunction indicator light: Not illuminated
POSSIBLE CAUSE
•  CAN system wiring harness open or short circuit with PCM
•  CAN system wiring harness open or short circuit with DSC HU/CM
•  CAN system wiring harness open or short circuit with instrument cluster
•  CAN system wiring harness open or short circuit with start stop unit
•  Poor connection at connectors
SYSTEM WIRING DIAGRAM

Diagnostic procedure
•  Perform inspection according to the diagnostic procedure in MULTIPLEX COMMUNICATION SYSTEM. (See FOREWORD.)