Diagnostic Test

VERIFY DTC IS ACTIVE 

1. Turn the ignition on.
2. With the scan tool, read active DTCs.

   Is this DTC active?

   Yes 

   • Refer to DTC INDEX article and perform the U0141-LOST COMMUNICATION WITH IPM diagnostic procedure.

   No 

   • Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.