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.
B16AB-11-TRUNK LAMP CONTROL CIRCUIT SHORT TO GROUND
B16AB-15-TRUNK LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN
To diagnose the B16AB Jeep 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 Trunk Lamp. The BCM sets the OBDII code when the Cluster detects a short to ground in the Courtesy Lamps Driver circuit or when the Cluster detects an open or a short to voltage in the Courtesy Lamps Driver circuit.
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