Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Cycle the ignition from off to on.
4. With the scan tool, read the DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Go To 3
CHECK FOR DTCS IN THE IPC
1. With the scan tool, read DTCs in the IPC.
  Is the IPC reporting any DTCs?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
  No
  - Replace the Integrated Trailer Brake Module (ITBM) in accordance with Service Information. Refer to MODULE, INTEGRATED TRAILER BRAKE (ITBM), REMOVAL .
  - Perform the ITBM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set.
3. 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.
4. Wiggle the wiring and connectors while checking for shorted and open circuits.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the ITBM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.