P0692 Chevrolet Fan 1 Control Circuit High Possible causes – Open or short cooling fan 1 relay circuit– Failed Cooling Fan Control Module Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating
Category: Chevrolet
P0693 Chevrolet Cooling Fan 2 Relay Control Circuit Low
P0693 Chevrolet Cooling Fan 2 Relay Control Circuit Low Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty Front Control Module (FCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating P0693 Chevrolet Description The Front Control Module…
P0694 Chevrolet Cooling Fan 2 Relay Control Circuit High
P0694 Chevrolet Cooling Fan 2 Relay Control Circuit High Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty Front Control Module (FCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating P0694 Chevrolet Description The Front Control Module…
P068C Chevrolet (Glow Plug 7) Control Circuit Low
P068C Chevrolet (Glow Plug 7) Control Circuit Low OBD Code: System: Subsystem: P068C Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 7) Control Circuit Low Location: Analysis: Possible Causes: Glow Plug 7 End of Range – Circuit Lower Than Expected Tech description:
P068D Chevrolet (Glow Plug 7) Control Circuit High
P068D Chevrolet (Glow Plug 7) Control Circuit High OBD Code: System: Subsystem: P068D Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 7) Control Circuit High Location: Analysis: Possible Causes: Glow Plug 7 End of Range – Circuit Higher Than Expected Tech description:
P068E Chevrolet (Glow Plug 8) Control Circuit Low
P068E Chevrolet (Glow Plug 8) Control Circuit Low OBD Code: System: Subsystem: P068E Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 8) Control Circuit Low Location: Analysis: Possible Causes: Glow Plug 8 End of Range – Circuit Lower Than Expected Tech description:
P068F Chevrolet (Glow Plug 8) Control Circuit High
P068F Chevrolet (Glow Plug 8) Control Circuit High OBD Code: System: Subsystem: P068F Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 8) Control Circuit High Location: Analysis: Possible Causes: Glow Plug 8 End of Range – Circuit Higher Than Expected Tech description:
P0690 Chevrolet Electronic Control Module Power Relay Sense Circuit High
P0690 Chevrolet Electronic Control Module Power Relay Sense Circuit High Possible causes – Weak battery – Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0688 Chevrolet Electronic Control Module Power Relay Control Circuit Open
P0688 Chevrolet Electronic Control Module Power Relay Control Circuit Open Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Tech description Check all the ECM fuses, if the fuses are OK try replacing…
P0689 Chevrolet Electronic Control Module Power Relay Sense Circuit Low
P0689 Chevrolet Electronic Control Module Power Relay Sense Circuit Low Possible causes – Weak battery – Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P068A Chevrolet Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early
P068A Chevrolet Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early OBD Code: System: Subsystem: P068A Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early Location: Analysis: Possible…
P068B Chevrolet Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late
P068B Chevrolet Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late OBD Code: System: Subsystem: P068B Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late Location: Analysis: Possible…
P0684 Chevrolet Glow Plug Control Module- Implausible Signal
P0684 Chevrolet Glow Plug Control Module- Implausible Signal Possible causes – Faulty Glow Plug Control Module (GPCM)– GPCM harness is open or shorted– GPCM circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of Power– The engine may be harder to start– Engine…
P0685 Chevrolet Electronic Control Module Power Control Circuit Malfunction
P0685 Chevrolet Electronic Control Module Power Control Circuit Malfunction Possible causes – Faulty Engine Control Module (ECM) power relay– ECM power relay harness is open or shorted– ECM power relay circuit poor electrical connection– Faulty (ECM) Tech description Check all the ECM fuses, if the fuses are OK try replacing the ECM relay. Symptoms –…
P0686 Chevrolet Engine Control Module Power Relay Control Circuit Low
P0686 Chevrolet Engine Control Module Power Relay Control Circuit Low Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0686 Chevrolet Description…
P0687 Chevrolet Engine Control Module Power Relay Control Circuit High
P0687 Chevrolet Engine Control Module Power Relay Control Circuit High Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0687 Chevrolet Description…
P067F Chevrolet (Glow Plug 6) Control Circuit High
P067F Chevrolet (Glow Plug 6) Control Circuit High OBD Code: System: Subsystem: P067F Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 6) Control Circuit High Location: Analysis: Possible Causes: Glow Plug 6 End of Range – Circuit Higher Than Expected Tech description:
P0680 Chevrolet Cylinder 10 Glow Plug Circuit Fault
P0680 Chevrolet Cylinder 10 Glow Plug Circuit Fault Possible causes – Faulty cylinder #10 glow plug– Cylinder #10 glow plug harness is open or shroted– Cylinder #10 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #10…
P0681 Chevrolet Cylinder 11 Glow Plug Circuit Fault
P0681 Chevrolet Cylinder 11 Glow Plug Circuit Fault Possible causes – Faulty cylinder #11 glow plug– Cylinder #11 glow plug harness is open or shroted– Cylinder #11 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #11…
P0682 Chevrolet Cylinder 12 Glow Plug Circuit Fault
P0682 Chevrolet Cylinder 12 Glow Plug Circuit Fault Possible causes – Faulty cylinder #12 glow plug– Cylinder #12 glow plug harness is open or shroted– Cylinder #12 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #12…