P1577 CADILLAC - Brake Booster Vacuum Sensor Circuit Low Input
- 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)
P1577 CADILLAC Description
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