Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DTC
- COMMUNICATE WITH CLUSTER
- With the scan tool, attempt to communicate with the Instrument Cluster.
Can communication be established with the Instrument Cluster?
Yes
- Go To 3.
No
- Refer to TIPM - DIAGNOSIS AND TESTING and perform the U0155-Lost Communication with Cluster/CCN diagnostic procedure.
- With the scan tool, attempt to communicate with the Instrument Cluster.
- INSTRUMENT CLUSTER OPERATION
- Start the engine
- Allow the engine to idle.
Is the correct engine speed display in the instrument cluster (Tach)?
Yes
- Replace and program the Powertrain Control Module in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 1500 & 2500 - 3.7L, 4.7L & 5.7L - POWERTRAIN VERIFICATION TEST or 2500 & 3500 - POWERTRAIN VERIFICATION TEST - 6.7L or 3500 CAB & CHASSIS - POWERTRAIN VERIFICATION TEST or 3500 CAB & CHASSIS, 4500 & 5500 - POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Refer to CCN - DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
- INTERMITTENT WIRING AND CONNECTORS
- The conditions necessary to set this DTC are not present at this time.
- Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
- Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
- Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
Were there any problems found?
Yes
- Repair as necessary.
- Perform FDCM VERIFICATION TEST. Refer to FDCM VERIFICATION TEST .
No
- Test complete.