Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
NOTE:
Diagnose all CAN B and C communication DTCs before continuing.
1. Ignition on, engine not running.
2. With a scan tool, view DTCs.
  NOTE:
  If the scan tool indicates that a flash is available for the ACCM, perform the ACCM flash, erase the DTC in the PCM, and verify that the DTC returns before continuing with this test procedure.
  
  Is the status Active for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT DTC diagnostic procedure. Refer to INTERMITTENT DTC .
ACCM COMMUNICATION RELATED DTCs IN OTHER MODULES
1. With the scan tool, select Network Diagnostics.
  Is there more than one module with active DTCs "Logged Against" the ACCM at this time?
  
  Yes
  - Replace and program the Adaptive Cruise Control Module (ACCM) in accordance with the service information.
  - Perform the ADAPTIVE CRUISE CONTROL (ACC) VERIFICATION TEST. (Refer to appropriate Diagnostic Information ).
  No
  - Replace and program the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .