Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Verify that the high beam indicator is inoperative.

Does the high beam indicator operate normally?

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

Go to Step 3

1. Turn the ignition switch to the RUN position.
2. Turn the headlamp switch to the HEAD position.
3. Place the multifunction headlamp dimmer switch to the high beams position.

Do the high beam headlamps function properly?

Go to Step 4

Go to Symptoms - Lighting Systems

Using a scan tool, select IPC, Special Functions, and command the Lamp Test ON, then OFF.

Does the high beam indicator lamp turn ON and OFF when commanded?

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

Go to Step 5

Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3