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 B1433 Cadillac 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) supplies voltage to the HVAC module and the windshield washer solvent heater. Voltage is applied when any of the following conditions are true: Ignition Switch is in ACC or RUN, the vehicle was remote started, the vehicle is in Retained Accessory Power (RAP) mode. The Diagnostic Trouble Code (DTC) will set only when the module requests the output and there is a short to ground in the run relay coil control circuit.
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