Integral Control Switch
Table of contents
B1023 GMC Possible Causes
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
- Heating, Ventilation, and Air Conditioning (HVAC) Control Module harness is open or shorted
- Heating, Ventilation, and Air Conditioning (HVAC) Control Module circuit poor electrical connection
How do I fix code B1023 GMC?
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 connector’s pins.
Tech Notes
- B1023 05 Integral Switch Performance Short to Ground
- B1023 06 Integral Switch Performance Short to Battery or Open
- B1023 61 Integral Switch Performance Signal Invalid
Cost of diagnosing the B1023 GMC code
The cost of diagnosing the B1023 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1023 GMC Description
This Diagnostic Trouble Code (DTC) will be set by internal fault inside the Heating, Ventilation, and Air Conditioning (HVAC) Control Module for a stuck or shorted control button.