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 B2A29 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.
When the Smart Junction Box (SJB) detects the multifunction switch is in the LH (Left) TURN position, the SJB provides voltage to the LH front turn lamp. When the SJB detects the multifunction switch is in the RH (Right) TURN position, the SJB provides voltage to the RH front turn lamp. The rear turn lamps are controlled utilizing the rear stoplamp circuitry. The Diagnostic Trouble Code (DTC) sets when the SJB detects an open or short to voltage from the LH front turn lamp voltage supply circuit.
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