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
NOTE:
If any PCM DTCs are present, perform the appropriate diagnostic procedure. Refer to the DTC INDEX - 1500 article .

NOTE:
This DTC must be active for the results of this test to be valid and this DTC may set while driving under severe load conditions.
1. Turn the ignition on.
2. With the scan tool, read and record DTCs.
3. With the scan tool, read and record Freeze Frame information.
4. With the scan tool, erase DTCs.
5. Cycle the ignition switch from off to on.
6. Start the engine and raise the engine RPM to 2500.
7. With the scan tool, read and record DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
CHECK ENGINE IDLE
1. Check engine idle.
2. Allow the engine to idle.
  Does the engine run rough at idle?
  
  Yes
  - Replace 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 .