DTC CODES

PCode Code Brand Description
P0679 P0679 Cylinder 9 Glow Plug Circuit
P0680 P0680 Cylinder 10 Glow Plug Circuit
P0681 P0681 Cylinder 11 Glow Plug Circuit
P0682 P0682 Cylinder 12 Glow Plug Circuit
P0683 P0683 Glow Plug Control Module to PCM Communication Circuit
P0684 P0684 Glow Plug Control Module to PCM Communication Circuit Range/Performance
P0685 P0685 ECM/PCM Power Relay Control Circuit /Open
P0686 P0686 ECM/PCM Power Relay Control Circuit Low
P0687 P0687 ECM/PCM Power Relay Control Circuit High
P0688 P0688 ECM/PCM Power Relay Sense Circuit /Open