Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs.
3. Cycle the ignition key on and off several times.
4. With the scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Go To 2.
  No
  - Go To 4.
COMMUNICATE WITH CLUSTER
1. 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 U0155-LOST COMMUNICATION WITH CLUSTER/CCN for 1500, 2500 & 3500 or U0155-LOST COMMUNICATION WITH CLUSTER/CCN for 3500 CAB & CHASSIS, 4500 & 5500 and perform the U0155-Lost Communication with Cluster/CCN diagnostic procedure .
INSTRUMENT CLUSTER OPERATION
1. Start the engine
2. 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 appropriate Electrical Diagnostic Information .
  No
  - Refer to Diagnosis and Testing and perform the appropriate diagnostic procedure.
INTERMITTENT WIRING AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
4. 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 Standard Procedure .
  No
  - Test complete.