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: CHEVROLET
P0651 CHEVROLET 5 Volt Sensor Reference 2 Circuit
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…
P1114 CHEVROLET 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 CHEVROLET OBD Code Description The Engine Coolant…
P1115 CHEVROLET 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 CHEVROLET OBD Code Description The Engine Coolant…
P1116 CHEVROLET 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 CHEVROLET OBD Code Description The Engine Coolant…
U0104 CHEVROLET 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 CHEVROLET OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits…
U0181 CHEVROLET 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 CHEVROLET OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…
P1642 CHEVROLET FC Relay 2 And 3 Control Circuit
Possible causes – Faulty Cooling Fan Relay– Cooling Fan Relay harness is open or shorted– Cooling Fan Relay circuit poor electrical component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Cooling Fan not working P1642 CHEVROLET OBD Code Description Ignition voltage is supplied to the Cooling Fan relay coil. The Powertrain…
P0335 CHEVROLET Crankshaft Position Sensor A Circuit Malfunction
Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection Tech description User Submitted Video When is the obd code mean? The Powertrain Control Module (PCM) determines no signal from the Crankshaft Position (CKP) sensor for less than 3 seconds. Symptoms – Engine…
P0335 2001 CHEVROLET S10 Crankshaft Position Sensor A Circuit Malfunction
Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection Tech description 01 Chev S-10 Crk sensor User Submitted Video When is the obd code mean? The Powertrain Control Module (PCM) determines no signal from the Crankshaft Position (CKP) sensor for less than…