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Scan Tool Reference Control Module References for scan tool information Circuit/System Verification Block the drive wheels. Carefully supply sufficient light to simulate daylight conditions to the Circuit/System Testing 1. Ignition OFF, disconnect the harness connector X4 at the BCM. 2. Ignition ON, verify the daytime running lamps are not on. If the daytime running lamps are on, test the DRL relay control circuit for a short to 3. Install a 10A fused jumper wire between the relay control circuit terminal 23 and ground. Verify the daytime running lamps are on. are on. If the daytime running lamps are not on, test the DRL relay control circuit for a short 4. If all circuits test normal, replace the BCM. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Underhood Electrical Center or Junction Block Replacement Control Module References for BCM replacement, setup, and programming DTC B2610 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors DTC B2610 00
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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