Hand Brake Motor Position Sensor Signal
Table of contents
C028B GMC Possible Causes
- Faulty Hand Brake Motor Position Sensor
- Hand Brake Motor Position Sensor harness is open or shorted
- Hand Brake Motor Position Sensor circuit poor electrical connection
How do I fix code C028B 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
- – C028B 08: Hand Brake Motor Position Sensor Signal Performance-Signal Invalid
- – C028B 26: Hand Brake Motor Position Sensor Signal Low Frequency
- – C028B 29: Hand Brake Motor Position Sensor Signal Too Few Pulses
- – C028B 2A: Hand Brake Motor Position Sensor Signal Too Many Pulses
Cost of diagnosing the C028B GMC code
The cost of diagnosing the C028B 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
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C028B GMC Description
The hand brake control module has an internal motor, apply actuator, release actuator, and temperature sensor. The hand brake control module also contains the logic for applying and releasing the hand brake when commanded by the hand brake switch. When the hand brake control module receives a signal from the switch the internal circuit board temperature is checked to verify it is within operating range before the control module performs the requested operation. The hand brake control module also contains an internal hand brake motor position sensor which monitors the hand brake motor position.
The Hand brake Motor Position Sensor is an internal sensor to the hand brake control module, this sensor is used to monitor the hand brake motor position.