Category: Chevrolet

P1392 Chevrolet Wheel Speed Sensor 1 – G – Sensor Circuit Low Voltage

P1393 Chevrolet Wheel Speed Sensor 1 – G – Sensor Circuit High Voltage

P1394 Chevrolet Wheel Speed Sensor 1 – G – Sensor Circuit Intermittent

P1389 Chevrolet Glow Plug Circuit High Side Low Input

P1390 Chevrolet Wheel Speed Sensor 1, G-Sensor Circuit

P1387 Chevrolet Variable Cam Timing Solenoid #2 Circuit Malfunction

P1388 Chevrolet Variable Cam Timing Over Retarded Bank 2 Possible causes – Cam timing improperly set– Continuous oil flow to the VCT piston chamber– VCT solenoid valve stuck open– Camshaft advance mechanism binding (VCT unit). Tech description There is a factory service bulletin for the P1388 Chevrolet code on Jaguar model S type. The factory…

P1383 Chevrolet Variable Cam Timing Overretarded (Bank #1) Possible causes Cam timing improperly set. Continuous oil flow to the VCT piston chamber. VCT solenoid valve stuck open. Camshaft advance mechanism binding (VCT unit). Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1383 Chevrolet Description The comprehensive component monitor (CCM) monitors the VCT…

P1384 Chevrolet VVT Solenoid A Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1385 Chevrolet Variable Cam Timing Solenoid B Malfunction Possible causes Open or short in the VCT circuit. Open VPWR circuit. Damaged PCM. Open or short in the VCT solenoid valve. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1385 Chevrolet Description The comprehensive component monitor (CCM) monitors the VCT circuit to the…

P1386 Chevrolet Variable Cam Timing Overadvanced (Bank #2) Possible causes Cam timing improperly set. No oil flow to the VCT piston chamber. Low oil pressure. VCT solenoid valve stuck closed. Camshaft advance mechanism binding (VCT unit). Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1386 Chevrolet Description The comprehensive component monitor (CCM)…

P1377 Chevrolet IC Module CAM Pulse To 4X Reference Pulse Comparison

P1380 Chevrolet Misfire Detected – Rough Road Data Not Available Possible causes – Repair other codes first Tech description If the P1380 Chevrolet code is set with other codes, repair other codes first and then clear the code. What about the obd code? If the Electronic Brake Control Module (EBCM) detects a condition which will…

P1381 Chevrolet Variable Cam Timing Overadvanced (Bank #1)/ Misfire Detected – No Communication with BCM Possible causes Cam timing improperly set. No oil flow to the VCT piston chamber. Low oil pressure. VCT solenoid valve stuck closed. Camshaft advance mechanism binding (VCT unit). Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1381…

P1382 Chevrolet 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…

P1372 Chevrolet Ignition Coil – Cylinder 2 – Early Activation Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1372 Chevrolet Information for specific makes

P1373 Chevrolet Ignition Coil – Cylinder 3 – Early Activation Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1374 Chevrolet 3X Reference Circuit

P1375 Chevrolet Ignition Coil – Cylinder 5 – Early Activation Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1375 Chevrolet Information for specific makes

P1376 Chevrolet Ignition Coil – Cylinder 6 – Early Activation Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1376 Chevrolet Information for specific makes