Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

ACTIVE DTC
1. Ignition on, engine not running.
2. With a scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go to
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. INTERMITTENT CONDITION
LOST COMMUNICATION WITH IPM (FCM/TIPM) ALSO ACTIVE
1. With the scan tool read DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Follow the diagnostics for U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM). Refer to U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)
  No
  - Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL
  - Perform the PCM Verification Test. POWERTRAIN VERIFICATION TEST