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

id060200814600

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
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
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 120 km/h {74.6 mph}
―  Power steering malfunction indicator light: Illuminated
•  U0121:00, U0155:00
―  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
•  Poor connection at connectors
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure
•  Perform inspection according to the diagnostic procedure in MULTIPLEX COMMUNICATION SYSTEM. (See FOREWORD [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (L.H.D.)].) (See FOREWORD [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (R.H.D.)].) (See FOREWORD [SKYACTIV-D 2.2 (R.H.D.)].)