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…
Tag: GMC
P1114 GMC Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1114 GMC OBD Code Description The Engine Coolant…
P1115 GMC Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1115 GMC OBD Code Description The Engine Coolant…
P1116 GMC Engine Coolant Temperature Sensor Signal Unstable Or Intermittent
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1116 GMC OBD Code Description The Engine Coolant…
U0104 GMC Lost Communication With Distance Sensing and Cruise Control Module
Possible causes – Faulty Distance Sensing and Cruise Control (DSCC) Module– DSCC Module harness is open or shorted– DSCC Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0104 GMC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits…
U0181 GMC Lost Communication With Dynamic Headlamp Leveling Control Module
Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 GMC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…
P0673 GMC 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 GMC 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 GMC 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 GMC 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…