B12C5 Possible Causes
- Faulty Start/Stop Switch
- Start/Stop Switch harness is open or shorted
- Start/Stop Switch circuit poor electrical connection
How do I fix code B12C5Check 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.
Cost of diagnosing the B12C5 code
Labor: 1.0The cost of diagnosing the B12C5 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.
- Engine Light ON (or Service Engine Soon Warning Light)
B12c5 DescriptionThis Push Button Ignition Switch is a single pole momentary design with position indicator LEDs controlled by the Keyless access control unit.
Once the Keyless access control unit detects the presence of a registered key fob and the brake pedal is not depressed, each time the button is pushed the Body Control Module will cycle through Accessories, On and Off modes. The Body Control Module will also illuminate the appropriate position indicator LED.
If the brake pedal is depressed, the shift lever is in Park and the button is pushed, the Keyless access control unit will start the engine.
B12C5 More InformationNeed more information on how to fix the B12C5 code?
Get Access to Factory Service Manuals
Information for specific makes
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