Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY THE DTC IS ACTIVE
- Ignition on, engine not running.
- With the scan tool, read and record ABS DTCs.
- With the scan tool, read and record Environmental Data (EV Data).
- With the scan tool, erase ABS DTCs.
- Cycle the ignition switch.
- With the scan tool, read ABS DTCs.
Is the DTC active at this time?
Yes
- Go To 2
No
- Perform the STORED LOST COMMUNICATION DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCs
- With the scan tool, read all active DTCs from all CAN C Bus modules.NOTE:
Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
Does the scan tool display any active DTCs related to the conditions listed above?
Yes
- Diagnose and repair the DTCs. Go to the DTC INDEX - 1500 article.
No
- Go To 3
- With the scan tool, read all active DTCs from all CAN C Bus modules.
- VERIFY THAT THE PCM IS ACTIVE ON THE BUS
- With the scan tool, select ECU View.
- Verify that the PCM is active on the bus.
Is the PCM active on the bus?
Yes
- Go To 4
No
- Perform the STORED LOST COMMUNICATION DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCs
- With the scan tool, select Network View and select Advanced.
Is there more than one module with active DTCs "Logged Against" the TCM?
Yes
- Replace/update the Powertrain Control Module (PCM) in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
- Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, select Network View and select Advanced.