B1433 GMC Possible Causes
- Faulty Ignition Switched Power Relay 2
- Ignition Switched Power Relay 2 harness is open or shorted
- Ignition Switched Power Relay 2 circuit poor electrical connection
First diagnose B1433 GMC code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the B1433 GMC code
Labor: 1.0The cost of diagnosing the B1433 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
B1433 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1433 GMC MeaningThe 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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