P1642

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.