Dtc U0100/92 Lost Communication With Ecm/Pcm A
DESCRIPTION
INSPECTION PROCEDURE
CONFIRM DTC
DTC U0100/92 Lost Communication with ECM/PCM "A" |
DTC U0129/93 Lost Communication with Brake System Control Module |
DESCRIPTION
The power steering ECU receives signals from the ECM and the skid control ECU (ABS ECU) via the CAN communication system.DTC No.
| DTC Detection Condition
| Trouble Area
|
U0100/92
| ECM communication error
| - CAN communication system
- ECM
|
U0129/93
| Skid control ECU (ABS ECU) communication error
| - CAN communication system
- Skid control ECU (ABS ECU)
|
- HINT:
- When two or more DTCs starting with [U] are output simultaneously, inspect the connectors and wire harness of each ECU.
INSPECTION PROCEDURE
Check for DTCs (YARIS_NCP93 RM000001AL601EX.html ).
- OK:
- DTCs other than U0100/92 and U0129/93 are not output.