Did you perform the Lighting Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Connect a scan tool to the Data Link Connector (DLC).
2. Inspect the IPC headlamp switch and parklamp input.

Does the headlamp switch operate properly?

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Go to Step 3

Go to Step 4

Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control Systems.

Is the body control module replacement complete?

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Go to Step 5

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Replace the headlamp switch. Refer to Headlamp Switch Replacement in Lighting Systems.

Is the headlamp switch replacement complete?

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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 2