P1576 GMC - Brake Booster Vacuum Sensor Circuit High Voltage
- 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
- Engine Light ON (or Service Engine Soon Warning Light)
P1576 Gmc DescriptionDuring 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.
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