P0641 VOLKSWAGEN Sensor Reference Voltage A Circuit Open

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower than expected Symptoms – Engine Light…

P0651 VOLKSWAGEN Sensor Reference Voltage B Circuit Open

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower than expected Symptoms – Engine Light…

P0672 VOLKSWAGEN Cylinder 2 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #2 glow plug– Cylinder #2 glow plug harness is open or shroted– Cylinder #2 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #2 glow plug circuit Symptoms – Engine Light…

P0673 VOLKSWAGEN Cylinder 3 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #3 glow plug– Cylinder #3 glow plug harness is open or shroted– Cylinder #3 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #3 glow plug circuit Symptoms – Engine Light…

P0674 VOLKSWAGEN Cylinder 4 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #4 glow plug– Cylinder #4 glow plug harness is open or shroted– Cylinder #4 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #4 glow plug circuit Symptoms – Engine Light…

P0675 VOLKSWAGEN Cylinder 5 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #5 glow plug– Cylinder #5 glow plug harness is open or shroted– Cylinder #5 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #5 glow plug circuit Symptoms – Engine Light…

P0676 VOLKSWAGEN Cylinder 6 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #6 glow plug– Cylinder #6 glow plug harness is open or shroted– Cylinder #6 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #6 glow plug circuit Symptoms – Engine Light…

P0677 VOLKSWAGEN Cylinder 7 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #7 glow plug– Cylinder #7 glow plug harness is open or shroted– Cylinder #7 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #7 glow plug circuit Symptoms – Engine Light…

P0678 VOLKSWAGEN Cylinder 8 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #8 glow plug– Cylinder #8 glow plug harness is open or shroted– Cylinder #8 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #8 glow plug circuit Symptoms – Engine Light…

P0679 VOLKSWAGEN Cylinder 9 Glow Plug Circuit Fault

Possible causes – Faulty cylinder #9 glow plug– Cylinder #9 glow plug harness is open or shroted– Cylinder #9 glow plug circuit poor electrical connection– Faulty glow plug module When is the obd code mean? The Engine Control Module (ECM) has detected a fault in the cylinder #9 glow plug circuit Symptoms – Engine Light…