Category: OBDii Powertrain Codes

P1394 Wheel Speed Sensor 1 – G – Sensor Circuit Intermittent

P1395 Wheel Speed Sensor 2 – G – Sensor Circuit

P1396 Wheel Speed Sensor Circuit Possible causes – Faulty Wheel Speed Sensor– Wheel Speed Sensor harness is open or shorted– Wheel Speed Sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) detects an invalid rough road signal from the wheel speed sensor. P1396 Description The road situation is estimated…

P1397 Wheel Speed Sensor 2, G-Sensor Circuit Low Voltage

P1398 Wheel Speed Sensor 2 – G – Sensor Circuit High Voltage

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

P1386 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 Description The comprehensive component monitor (CCM) monitors the…

P1387 Variable Cam Timing Solenoid #2 Circuit Malfunction

P1388 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 code on Jaguar model S type. The factory recommends reprogramming…

P1389 Glow Plug Circuit High Side Low Input

P1390 Wheel Speed Sensor 1, G-Sensor Circuit

P1391 Wheel Speed Sensor 1, G-Sensor Circuit Performance Possible causes – Timing belt or chain stretched or jumped– Faulty Camshaft Position (CMP) Sensor – Camshaft Position (CMP) Sensor harness is open or shorted– Camshaft Position (CMP) Sensor circuit poor electrical connection. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1391 Description The…

P1380 Misfire Detected – Rough Road Data Not Available Possible causes – Repair other codes first Tech description If the P1380 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 not allow…

P1381 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 Description…

P1382 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 about…

P1383 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 Description The comprehensive component monitor (CCM) monitors the VCT position for…

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

P1385 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 Description The comprehensive component monitor (CCM) monitors the VCT circuit to the PCM for…

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

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