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 B2321 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.
This Diagnostic Trouble Code (DTC) is stored when LIN communication between the Front Power Window Regulator Motor Assembly Left (LH) and Main Body ECU (Multiplex Network Body ECU) stops for 10 seconds or more.
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