EBCM Detects Sensor Supply Voltage Fluctuating
Table of contents
C0288 GMC Possible Causes
- Faulty Master Cylinder Pressure Sensor
- Faulty Yaw Rate Sensor/Lateral Accelerometer
How do I fix code C0288 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.
Cost of diagnosing the C0288 GMC code
The cost of diagnosing the C0288 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)
C0288 GMC Description
The Electronic Brake Control Module (EBCM) supplies a reference voltage of 5 volts to the yaw rate sensor/lateral accelerometer and the master cylinder pressure sensor. The sensor supply voltage is monitored via an internal feedback circuit to the EBCM microprocessor.