Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the B1507 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Body Control Module (BCM) monitors the load control circuit for opens, shorts to ground, and shorts to voltage. The circuit starts at the BCM and travels to the I/P fuse panel where the circuit splits to supply power for the heated seat switch and Heating, Ventilation, and Air Conditioning (HVAC) control head for the rear defog relay driver.
Need more information on how to fix the B1507 GMC code? Get Access to Factory Service Manuals
Get the B1507 GMC code diagnosed by a professional: Find a repair shop in your area
Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1507 GMC code? Have you replaced any parts?
Any information is appreciated. Thanks