Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, select view TCM DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Refer to U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) diagnostic procedure.
  No
  - and perform the Stored Lost Communication DTCs diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .