Brake Booster Vacuum Sensor Circuit High Voltage
Table of contents
P1576 BUICK Possible Causes
- Faulty Brake Booster Vacuum (BBV) sensor
- Brake Booster Vacuum (BBV) sensor harness is open or shorted
- Brake Booster Vacuum (BBV) sensor circuit poor electrical connection
How do I fix code P1576 BUICK?
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 P1576 BUICK code
The cost of diagnosing the P1576 BUICK 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)
P1576 BUICK Description
During Extended Travel Switch open for at least one second, MAP value was 30 kPa or more during the 1 second the Extended Travel Switch was open, the Powertrain Control Module (PCM) detects the Brake Booster Vacuum (BBV) was 82 kPa or more for 5 consecutive occurrences of the listed test conditions.