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 B2A36 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.
Power is supplied to the interior courtesy lamps and cargo lamp through the Smart Junction Box (SJB). Based on the input status from the ajar switches and the instrument panel dimmer switch, the SJB supplies voltage to the interior courtesy lamp(s). The Diagnostic Trouble Code (DTC) sets when the SJB detects a short to ground from the courtesy lighting output circuit.
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