1

Did you perform the instrument cluster diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Verify PRNDL display is inaccurate. Does the system operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the PRNDL position in the PCM data list.

Is the PRNDL position on the scan tool the same as the PRNDL position on the vehicle?

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Go to Step 4

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.0L

Important: Perform the set up procedure for the replacement IPC.

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement and the set up procedure?

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Go to Step 5

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3