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.

POWERTRAIN CONTROL MODULE CALIBRATION
1. Ignition on, engine not running.
2. With the scan tool, check the PCM for the proper calibration level.
  Is the PCM calibration correct and at the latest version?
  
  Yes
  - Go To 2.
  No
  - Reprogram the Powertrain Control Module with the latest software version.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
ACTIVE DTC
1. Turn the ignition off for at least 10 seconds.
2. Turn the ignition on.
3. With the scan tool, clear DTCs.
4. With the scan tool, navigate to actuator tests and perform the Glow Plug Service Override Test twice without starting the engine.
  Did the DTC become active?
  
  Yes
  - Replace the Glow Plug Control Module.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .