Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTCS
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.
  Is DTC P061A also present?
  
  Yes
  - Repair DTC P061A before proceeding.
  No
  - Go To 2
CHECK FOR AFTERMARKET PTO SYSTEM INSTALLED ON VEHICLE
NOTE:
If there are any Speed Control DTCs present, perform those test procedures before continuing with this procedure.
1. Visually inspect for an aftermarket PTO system installed on the vehicle.
  Was an aftermarket PTO system installed?
  
  Yes
  - Test complete. Inform customer that aftermarket system is causing fault.
  No
  - Go To 3
CHECK FOR SOFTWARE UPDATES
1. Check for any TSBs that may apply.
2. Check the PCM part number and insure that the PCM is at the latest release level.
  Are any PCM updates available?
  
  Yes
  - Reprogram the Powertrain Control Module with the latest software version
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Replace the Powertrain Control Module in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL, 6.7L DIESEL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .