Were you sent here from the Lighting Systems Diagnostic System Check?

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Go to Step 2

Go Diagnostic System Check - Lighting Systems

Remove the RR FOG LP Micro Relay #37.

Are the rear fog lamps still ON?

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Go to Step 3

Go to Step 4

Repair the short to voltage in the rear fog lamp feed circuit 122.

Is the repair complete?

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Go to Step 8

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1. Disconnect the BCM connector C1.
2. Test and repair the RR FOG LP relay #37 control circuit 1901 for a short to ground.

Did you find and correct the condition?

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Go to Step 8

Go to Step 5

Reinstall the RR FOG LP Micro Relay #37.

With the BCM connector C1 disconnected are the fog lamps ON?

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Go to Step 6

Go to Step 7

Replace the RR FOG LP Micro Relay #37.

Is the repair complete?

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Go to Step 8

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Replace the BCM. Refer to Body Control Module Replacement and Body Control Module (BCM) Programming/RPO Configuration .

Is the repair complete?

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Go to Step 8

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1. Clear any DTCs which may have set. Refer to Diagnostic Trouble Code (DTC) Clearing .
2. Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go Diagnostic System Check - Lighting Systems