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.
B399B 01 Rearview Camera Supply Circuit Short to Battery
B399B 02 Rearview Camera Supply Circuit Short to Ground
To diagnose the B399B Buick 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 Video Processing Control Module performs fault detection on itself and the cameras attached to it. The Diagnostic Trouble Code (DTC) sets when the Rearview camera 6V reference circuit is shorted to voltage or is shorted to ground.
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