Verification of Vehicle Repair
Motor Driven Power Steering
C1646 CAN Message Failure - TCU - Verification of Vehicle Repair
Verification of Vehicle Repair
After a repair, it is essential to verify that the fault has been corrected.
1. Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode and then clear DTC.
2. Operate the vehicle and monitor the DTC on the scantool.
3. Are any DTCs present ?