Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DTC IS ACTIVE
NOTE:
Diagnose and repair any Powertrain Control Module (PCM) Vehicle Identification Number (VIN) or Communication DTCs before continuing with this test.
1. Ignition on, engine not running.
2. With the scan tool, record and erase the DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read the DTCs.
  Is this DTC active at this time?
  
  Yes
  - Go To 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE BCM FOR PROPER CONFIGURATION
1. With the scan tool perform the Body Control Module (BCM) Restore Vehicle Configuration.
2. With the scan tool, perform the Forward Facing Camera Module (FFCM) Calibration Procedure.
3. With the scan tool, erase the DTCs.
4. Cycle the ignition from off to on.
5. With the scan tool, read the DTCs.
  Does this DTC remain active?
  
  Yes
  - Verify that the proper Vehicle Identification Number (VIN) is stored in the PCM and BCM. Check for any Service Bulletins that may apply. If no problems are found, replace the Air Suspension Control Module (ASCM) in accordance with the Service Information. Refer to MODULE, AIR SUSPENSION CONTROL, REMOVAL .
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test Complete.