Was the BCM System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Body Control System in Body Control System

Was the Audible Warnings System Check performed?

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Go to Step 3

Go to Diagnostic System Check - Audible Warnings

1. Insert the key in the ignition.
2. Turn the ignition switch to the OFF position.
3. Using a scan tool, enter BCM Data List INPUT 2.
4. Monitor the park lamps.
5. Move the headlamp switch to the PARK position.

Is ON displayed?

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Go to Step 4

Go to Step 7

Inspect the connections at the BCM.

Are the connections in need of repair?

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Go to Step 5

Go to Step 6

Repair the connections at the BCM as necessary.

Is the repair complete?

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Go to Diagnostic System Check - Audible Warnings

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Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Is the repair complete?

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Go to Diagnostic System Check - Audible Warnings

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Using a J 39200 digital multimeter (DMM), backprobe and measure the voltage at BCM connector C2 terminal B6 to ground.

Is battery voltage measured?

B+

Go to Step 4

Go to Step 8

Locate and repair the open or high resistance in CKT 2409 between S283 and BCM connector C2 terminal B6.

Is the repair complete?

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Go to Diagnostic System Check - Audible Warnings

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