P1646

DTC P1642 / P1646

DTC Detecting Condition and Trouble Area






DTC Troubleshooting

1. DTC check

Check DTC related to CAN communication.

Is there any CAN-DTC(s) detected?
YES -
Go to troubleshooting for applicable DTC.
NO -
Replace ECM and recheck DTC. Service and Repair
If DTC P1642 or P1646 is still detected, replace keyless start control module and recheck DTC.