CEN-TECH 64981 Owner's Manual & Safety Instructions page 31

DTC
P0680 Cylinder 10 Glow Plug Circuit/Open
P0681 Cylinder 11 Glow Plug Circuit/Open
P0682 Cylinder 12 Glow Plug Circuit/Open
P0683 Glow Plug Control Module to PCM Communication Circuit
P0684 Glow Plug Control Module to PCM Communication Circuit Range/Performance
P0685 ECM/PCM Power Relay Control Circuit/Open
P0686 ECM/PCM Power Relay Control Circuit Low
P0687 ECM/PCM Power Relay Control Circuit High
P0688 ECM/PCM Power Relay Sense Circuit/Open
P0689 ECM/PCM Power Relay Sense Circuit Low
P068A ECM/PCM Power Relay De-Energized Performance Too Early
P068B ECM/PCM Power Relay De-Energized Performance Too Late
P068C Glow Plug 7 Control Circuit Low
P068D Glow Plug 7 Control Circuit High
P068E Glow Plug 8 Control Circuit Low
P068F Glow Plug 8 Control Circuit High
P0690 ECM/PCM Power Relay Sense Circuit High
P0691 Fan 1 Control Circuit Low
P0692 Fan 1 Control Circuit High
P0693 Fan 2 Control Circuit Low
P0694 Fan 2 Control Circuit High
P0695 Fan 3 Control Circuit Low
P0696 Fan 3 Control Circuit High
P0697 Sensor Reference Voltage C Circuit/Open
P0698 Sensor Reference Voltage C Circuit Low
P0699 Sensor Reference Voltage C Circuit High
P069A Glow Plug 9 Control Circuit Low
P069B Glow Plug 9 Control Circuit High
P069C Glow Plug 10 Control Circuit Low
P069D Glow Plug 10 Control Circuit High
Item 64981 For technical questions, please call 1-888-866-5797.
DTC Definition
Page 31