P1381 Buick Variable Cam Timing Overadvanced (Bank #1)/ Misfire Detected – No Communication with BCM

P1382 Buick Variable Cam Timing Solenoid #1 Circuit Malfunction Possible causes – Cylinder Position Sensor harness is open or shorted– Cylinder Position Sensor circuit poor electrical connection– Faulty Cylinder Position Sensor Tech description The Cylinder Position (CYP) Sensor, Crankshaft Position Sensor (CKP) and Top Dead Center (TDC) Sensor are all built into the distributor. What…