Diagnostic Test - Electric Vehicle Control Unit (EVCU) Internal Faults
WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
TECH TIPS:
- Refer to the ECVU Verification Test information at the bottom of the test procedure to determine any routines or procedures that must be performed for the system to operate correctly after repairs are made.
EVCU internal faults (P0601, P0603, P0604, P0605, P060B, P060C, P062F, P16F3, P16F5 & P16F9):
The EVCU does a self test to verify there are no internal issues.
- Verify there are no low voltage or overcharging DTCs present.
- .
If DTCs are present diagnose them before proceeding to the next step
- If no DTCs are present, continue to step 2
- .
- Replace the EVCU in accordance with the service information.