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 B3826 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 liftgate key cylinder switch provides a ground input to the Body Control Module (BCM) when the switch is closed. This input allows the BCM to detect when a key unlock request is received. The Diagnostic Trouble Code (DTC) sets when the BCM no longer detects a fault on the signal circuit for the liftgate key unlock switch.
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