Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

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

Does the high beam indicator turn OFF as expected?

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

Go to Step 3

Do the high beam headlamps turn OFF as expected?

Go to Step 4

Go to Symptoms - Lighting Systems

Using a scan tool, select instrument panel cluster (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 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