Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to VERIFICATION TESTS for appropriate verification test procedures.

Ignition on, engine not running.
With the DRBIII®, erase DTCs.

Cycle the ignition key on and off several times.

With the DRBIII®, read DTCs.

Does the DTC reset?
1. Yes --> Go To 2
2. No --> Refer to the SYMPTOM: INTERMITTENT CONDITION Symptom (Diagnostic Procedure).
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .
Ignition on, engine not running.
With the DRBIII®, attempt to communicate with the Instrument cluster.

Can communication be established with the Instrument Cluster?
1. Yes --> Go To 3
2. No --> Refer to the COMMUNICATION Category of the Body Diagnostic article and perform the appropriate symptom related to no communication with cluster.
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .
Start the engine
Allow the engine to idle.

Is the correct engine speed display in the instrument cluster (Tach)?
1. Yes --> Replace and program the Powertrain Control Module per Service Information.
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .
2. No --> Refer to the Instrument Category in the Body Diagnostic and perform the appropriate symptom .
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .