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DTC B2585 Circuit Description When the body control module (BCM) receives a ground signal from the headlamp switch DTC Descriptor This diagnostic procedure supports the following DTC: DTC B2585 Park Lamp Control Circuit Conditions for Running the DTC The battery voltage must be between 9-16 volts. Conditions for Setting the DTC When the BCM receives a park lamp OFF command and the park lamp relay control circuit When the BCM receives a park lamp ON command and the park lamp relay control circuit Action Taken When the DTC Sets The park lamps will not operate or will remain always ON. Did you complete the replacement? Go to Step 13 - 12 Replace the BCM. Refer to Control Go to Step 13 - 13 1. Use the scan tool in order to clear the DTCs. 2. Operate the vehicle within the Conditions for Running the DTC as Does the DTC reset? Go to Step 2 System OK
2007 Hummer H3 2007 ACCESSORIES & EQUIPMENT Lighting - H3
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