P1576 Buick Code - Brake Booster Vacuum Sensor Circuit High Voltage
Quick Answer
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. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1576 Buick indicates Brake Booster Vacuum Sensor Circuit High Voltage.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1576 Buick Description
What are the Possible Causes of the DTC P1576 Buick?
- 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 to Fix the DTC P1576 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1576 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1576 Buick Code
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