DTC U0100-00: F-CAN Malfunction (EPS Control Unit-PCM)
| Confirmation Procedure |
Operating Condition:
- Start the engine.
- Wait more than 60 seconds after the EPS indicator goes off.
|
| Execution |
Initial Diagnosis/Regular Diagnosis |
| Duration |
About 60 seconds |
| DTC Type |
- 1 drive cycle
- EPS indicator on
|
| Fail Safe Action |
- Continue EPS function/assist (Alternative assist) (Continue system diagnosis: EPS function/assist will return to normal, if normalcy can receive signals via the F-CAN lines)
|
| Possible Cause* 1 |
- Open or Poor connection between the EPS control unit and the PCM (F-CAN A_H, F-CAN A_L* 3 (F-CAN_H, F-CAN_L)* 4 lines)
- PCM program not the latest
- PCM internal failure
- Steering column/EPS control unit internal failure
|
| Possible Cause* 2 |
- Open or Poor connection between the EPS control unit and the CAN gateway (F-CAN A_H, F-CAN A_L lines)* 5, * 7
- Open or Poor connection between the CAN gateway and the PCM (F-CAN A_H, F-CAN A_L* 5 (F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L)* 7 lines)
- Open or Poor connection between the EPS control unit and the PCM (F-CAN_H, F-CAN_L* 6 (F-CAN A_H, F-CAN A_L)* 8 lines)
- PCM program not the latest
- PCM internal failure
- Steering column/EPS control unit internal failure
|
*1: '16-18
*2: '19-21
*3: With auto idle stop system
*4: Without auto idle stop system
*5: With CAN gateway (6 Speed A/T)
*6: Without CAN gateway (6 Speed A/T)
*7: With CAN gateway (9 Speed A/T)
*8: Without CAN gateway (9 Speed A/T)