PRNDL Not Displaying Correct Position (EATX Vehicles)

PRNDL NOT DISPLAYING CORRECT POSITION (EATX VEHICLES)

POSSIBLE CAUSES
- DTC present
- Instrument cluster

DIAGNOSTIC TEST

1. DTC PRESENT

NOTE:
- Ensure that the correct Instrument Cluster is installed and is correctly configured for the vehicle.
- Ensure that there is communication between the Cluster and PCM before proceeding with this test.
- Diagnose and repair any DTCs before proceeding with this test.
- Ensure that the PCM passes the Shift Lever Test with the DRBIII(R) before proceeding with this test.

Turn the ignition on.
With the DRBIII(R), read DTCs.

Q: Does the DRBIII(R) display any MIC or PCM DTCs?

YES: Refer to the correct symptom list for problems related to DTCs. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 2

2. INSTRUMENT CLUSTER
Perform the Instrument Cluster Self Test.
Turn the ignition off.
Press and hold the Trip/Reset button.
Turn the ignition on.
Observe the PRNDL display during the Self Test.

Q: Did any part of the VF display fail to illuminate?

YES: Replace and program the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: The condition is not present at this time. Monitor DRBIII(R) parameters while wiggling the related wiring harness, refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test