P068F (Glow Plug 8) Control Circuit High OBD Code: System: Subsystem: P068F – (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:
Category: OBDii Powertrain Codes
P0690 Electronic Control Module Power Relay Sense Circuit High
P0690 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)
P0691 Fan 1 Control Circuit Low
P0691 Fan 1 Control Circuit Low Possible causes – Faulty Low Speed Radiator Fan Relay– Low Speed Radiator Fan Relay harness is open or shorted– Low Speed Radiator Fan Relay circuit poor electrical connection– Faulty Electric Fan– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan…
P0692 Fan 1 Control Circuit High
P0692 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
P0693 Cooling Fan 2 Relay Control Circuit Low
P0693 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 Description The Front Control Module (FCM) has…
P0694 Cooling Fan 2 Relay Control Circuit High
P0694 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 Description The Front Control Module (FCM) has…
P0687 Engine Control Module Power Relay Control Circuit High
P0687 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 Description The Engine…
P0688 Electronic Control Module Power Relay Control Circuit Open
P0688 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 the…
P0689 Electronic Control Module Power Relay Sense Circuit Low
P0689 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 Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early
P068A Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early OBD Code: System: Subsystem: P068A – (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 Causes: Relay…
P068B Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late
P068B Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late OBD Code: System: Subsystem: P068B – (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 Causes: Relay…
P068C (Glow Plug 7) Control Circuit Low
P068C (Glow Plug 7) Control Circuit Low OBD Code: System: Subsystem: P068C – (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:
P0685 Electronic Control Module Power Control Circuit Malfunction
P0685 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 – Engine…
P0686 Engine Control Module Power Relay Control Circuit Low
P0686 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 Description The Engine…
P067D (Glow Plug 5) Control Circuit High
P067D (Glow Plug 5) Control Circuit High OBD Code: System: Subsystem: P067D – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 5) Control Circuit High Location: Analysis: Possible Causes: Glow Plug 5 End of Range – Circuit Higher Than Expected Tech description:
P067E (Glow Plug 6) Control Circuit Low
P067E (Glow Plug 6) Control Circuit Low OBD Code: System: Subsystem: P067E – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 6) Control Circuit Low Location: Analysis: Possible Causes: Glow Plug 6 End of Range – Circuit Lower Than Expected Tech description:
P067F (Glow Plug 6) Control Circuit High
P067F (Glow Plug 6) Control Circuit High OBD Code: System: Subsystem: P067F – (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 Cylinder 10 Glow Plug Circuit Fault
P0680 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 glow…
P0681 Cylinder 11 Glow Plug Circuit Fault
P0681 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 glow…
P0682 Cylinder 12 Glow Plug Circuit Fault
P0682 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 glow…