P1576
Brake Booster Vacuum Sensor Circuit High Voltage
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Reduced braking performance
- Problems with the brake assist system
- Unusual behavior of the brake pedal
Causes
- Brake booster vacuum sensor malfunction
- Open or short circuit in the sensor circuit
- Wiring Harness Problems
- Malfunction of the brake system control unit
- Poor contact in sensor connectors
How to Fix
- Check the continuity of the vacuum sensor circuit
- Check sensor connectors and connections
- Test the brake booster vacuum sensor
- Replace sensor if necessary
- Check and update the control unit firmware if necessary