Technical Definition:
(Glow Plug 10) Control Circuit High
Address: 0x069D
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
(Glow Plug 10) Control Circuit High
Sensor Reference Voltage C Circuit / Open
Sensor Reference Voltage C Circuit Low
Fan 1 Control Circuit High
Cooling Fan 1 Relay Control Circuit High
– Open or short cooling fan 1 relay circuit
– Faulty low speed radiator fan relay
– Faulty Front Control Module (FCM)
– Radiator fan inoperative
– Possible engine overheating
Fan 2 Control Circuit Low
Cooling Fan 2 Relay Control Circuit Low
– Open or short cooling fan 2 relay circuit
– Faulty low speed radiator fan relay
– Faulty Front Control Module (FCM)
– Radiator fan inoperative
– Possible engine overheating
Fan 2 Control Circuit High
Cooling Fan 2 Relay Control Circuit High
– Open or short cooling fan 2 relay circuit
– Faulty low speed radiator fan relay
– Faulty Front Control Module (FCM)
– Radiator fan inoperative
– Possible engine overheating
Fan 3 Control Circuit Low
Fan 3 Control Circuit High
(Glow Plug 8) Control Circuit Low
(Glow Plug 8) Control Circuit High
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Sensore Circuit High
Electronic Control Module Power Relay Sense Circuit High
– 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
Fan 1 Control Circuit Low
Cooling Fan 1 Relay Control Circuit Low
– 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)
– Radiator fan inoperative
– Possible engine overheating
(Glow Plug 7) Control Circuit High
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Late
(Glow Plug 7) Control Circuit Low
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Control Circuit / Open
Electronic Control Module Power Control Circuit Malfunction
– Faulty Engine Control Module (ECM) power relay
– ECM power relay harness is open or shorted
– ECM power relay circuit poor electrical connection
– Faulty (ECM)
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Control Circuit Low
Engine Control Module Voltage Error Low
– 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
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Control Circuit High
Engine Control Module Voltage Error High
– 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
Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Sensore Circuit / Open
Electronic Control Module Power Relay Sense Circuit/Open
– 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