DTC U0420-00: EPS Control Module (Steering Angle Signal); Communication Error With EPS Control Module; Error Signal Received From EPS Control Module
U0420:00 (PCM - VIN M) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
EPS control module (steering angle signal)
Communication error with EPS control module
Error signal received from EPS control module |
| Detection condition |
- The PCM detects that the electronically controlled brake unit stores the following DTCs.
- C0051:25
- C0051:62
- C0051:64
- C0051:67
- C0051:84
- C0051:85
- C0051:86
- U0131:00
- U0420:68
|
| Fail-safe |
- Inhibits the i-stop control.
- Inhibits the regenerative braking control.
|
| Possible cause |
- DTCs are stored in the electronically controlled brake unit. (See DTC TABLE [DSC]
.)
NOTE:
- If the electronically controlled brake unit stores a DTC, the PCM stores the same DTC or similar.
- If the PCM stores a DTC even though the electronically controlled brake unit does not store a DTC, clear the DTC as it was for a past malfunction, and then complete the repair.
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (see CLEARING DTC
.)
- Perform the KOEO self test. (See DTC INSPECTION
.)
|
| System wiring diagram |
|