Code Interpretation Code Interpretation
P0668 Cruise Set' Signal Error
P0669 Cruise Coast' Signal Error
P0670 Glow plug Ctrl Circ Error
P0671 Glow plug #1 Circ failure
P0672 Glow plug #2 Circ failure
P0673 Glow plug #3 Circ failure
P0674 Glow plug #4 Circ failure
P0675 Glow plug #5 Circ failure
P0676 Glow plug #6 Circ failure
P0677 Glow plug #7 Circ failure
P0678 Glow plug #8 Circ failure
P0679 Reserve for future glow plug #9
P0680 Reserve for future glow plug #10
P0681 Reserve for future glow plug #11
P0682 Reserve for future glow plug #12
P0683 Glow Plug Ctrl Mod to PCM Comm Circ
P0684 Glow Plug Ctrl Mod to PCM Comm Circ
Range/Perf
P0685 ECM/PCM Power Relay Ctrl Circ /Open
P0686 ECM/PCM Power Relay Ctrl Circ Low
P0687 ECM/PCM Power Relay Ctrl Circ High
P0688 ECM/PCM Power Relay Sense Circ /Open
P0689 ECM/PCM Power Relay Sense Circ Low
P0690 ECM/PCM Power Relay Sense Circ High
P0691 Fan 1 Ctrl Circ Low
P0692 Fan 1 Ctrl Circ High
P0693 Fan 2 Ctrl Circ Low
P0694 Fan 2 Ctrl Circ High
P0695 Fan 3 Ctrl Circ Low
P0696 Fan 3 Ctrl Circ High
P0697 Sens Reference Voltage C Circ/Open
P0698 Sens Reference Voltage C Circ Low
P0699 Sens Reference Voltage C Circ High
P0700 Tran Ctrl Sys Error
P0701 Tran Ctrl Sys Range/Perf
P0702 Tran Ctrl Sys Electrical
P0703 Brake Switch B Circ Error
P0704 Clutch Pedal Pos Switch Input Circ Error
P0705 Tran Range Sens Circ Error
P0706 Tran Range Sens Circ Range/Perf
P0707 Tran Range Sens Circ Low Input
P0708 Tran Range Sens Circ High Input
P0709 Tran Range Sens Circ Interm.
P0710 Tran Fluid Temp Sens Circ Error
P0711 Tran Fluid Temp Sens Circ Range/Perf
P0712 Tran Fluid Temp Sens CKT Low Input
P0713 Tran Fluid Temp Sens CKT High Input
P0714 Tran Fluid Temp Sens Circ Interm.
P0715 Input/Turbine Speed Sens Circ Error
P0716 Input/Turbine Speed Sens Circ Range/Perf
P0717 Input/Turbine Speed Sens Circ No Signal
P0718 Input/Turbine Speed Sens Circ Interm.
P0719 Torque Converter/Brake Switch B Circ Low
P0720 Output Speed Sens Circ Error
P0721 Output Speed Sens Range/Perf
P0722 Output Speed Sens No Signal
P0723 Output Speed Sens Interm.
P0724 Torque Converter/Brake Switch B Circ High
P0725 Eng Speed input Circ Error
P0726 Eng Speed Input Circ Range/Perf
P0727 Eng Speed Input Circ No Signal
P0728 Eng Speed Input Circ Interm.
P0729 Gear 6 Incorrect Ratio
P0730 Incorrect Gear Ratio
P0731 Gear One Ratio Error
P0732 Gear Two Ratio Error
P0733 Gear Three Ratio Error
P0734 Gear Four Ratio Error
P0735 Gear Five Ratio Error
P0736 Reverse Gear Ratio Error
P0737 TCM Eng Speed Output Circ
P0738 TCM Eng Speed Output Circ Low
P0739 TCM Eng Speed Output Circ High
P0740 Torque Converter Clutch Circ Malfunction
P0741 Torque Converter Clutch Circ Perf/Stuck Off
P0742 Torque Converter Clutch Circ Stuck On
P0743 Torque Converter Clutch Sys Electrical Failure
P0744 Torque Converter Clutch Circ Interm.
P0745 Pres Ctrl Solenoid Error
P0746 Pres Ctrl Solenoid Perf/Stuck Off
P0747 Pres Ctrl Solenoid Stuck On
P0748 Pres Ctrl Solenoid Electrical
P0749 Pres Ctrl Solenoid Interm.
P0750 Shift Solenoid A Error
P0751 Shift Solenoid A Perf/Stuck Off
P0752 Shift Solenoid A Stuck On
P0753 Shift Solenoid A Electrical
P0754 Shift Solenoid A Interm.
P0755 Shift Solenoid B Error
P0756 Shift Solenoid B Perf/Stuck Off
P0757 Shift Solenoid B Stuck On
P0758 Shift Solenoid B Electrical
P0759 Shift Solenoid B Interm.
P0760 Shift Solenoid C Error
P0761 Shift Solenoid C Perf/Stuck Off
P0762 Shift Solenoid C Stuck On
P0763 Shift Solenoid C Electrical
P0764 Shift Solenoid C Interm.
P0765 Shift Solenoid D Error
P0766 Shift Solenoid D Perf/Stuck Off
P0767 Shift Solenoid D Stuck On
P0768 Shift Solenoid D Electrical
P0769 Shift Solenoid D Interm.
P0770 Shift Solenoid E Error
P0771 Shift Solenoid E Perf/Stuck Off
P0772 Shift Solenoid E Stuck On
P0773 Shift Solenoid E Electrical
P0774 Shift Solenoid E Interm.
P0775 Pres Ctrl Solenoid B
P0776 Pres Ctrl Solenoid B Perf/Stuck Off
P0777 Pres Ctrl Solenoid B Stuck On
P0778 Pres Ctrl Solenoid B Electrical
P0779 Pres Ctrl Solenoid B Interm.
P0780 Shift Error
P0781 1-2 Shift Error
P0782 2-3 Shift Error
P0783 3-4 Shift Error
P0784 4-5 Shift Error
P0785 Shift/Timing Solenoid Error
P0786 Shift/Timing Solenoid Range/Perf
P0787 Shift/Timing Solenoid Low
P0788 Shift/Timing Solenoid High
P0789 Shift/Timing Solenoid Interm.
P0790 Normal/Perf Switch Circ Error
P0791 Intermediate Shaft Speed Sens Circ
P0792 Intermediate Shaft Speed Sens Circ Range/Perf
P0793 Intermediate Shaft Speed Sens Circ No Signal
P0794 Intermediate Shaft Speed Sens Circ Interm.
P0795 Pres Ctrl Solenoid C
P0796 Pres Ctrl Solenoid C Perf/Stuck Off
P0797 Pres Ctrl Solenoid C Stuck On
P0798 Pres Ctrl Solenoid C Electrical
P0799 Pres Ctrl Solenoid C Interm.
P0800 Transfer Case Ctrl System (MIL Request)
P0801 Reverse Inhibit Ctrl Circ Error
P0802 Trans Ctrl System MIL Request Circ/Open
P0803 1-4 Up shift (Skip Shift) Solenoid Ctrl Circ Error
P0804 1-4 Up shift (Skip Shift) Lamp Ctrl Circ Error
P0805 Clutch Pos Sens Circ
P0806 Clutch Pos Sens Circ Range/Perf
P0807 Clutch Pos Sens Circ Low
P0808 Clutch Pos Sens Circ High
P0809 Clutch Pos Sens Circ Interm.
P0810 Clutch Pos Ctrl Error
P0811 Excessive Clutch Slippage
P0812 Reverse Input Circ
P0813 Reverse Output Circ
P0814 Tran Range Display Circ
P0815 Up Shift Switch Circ
P0816 Down shift Switch Circ
P0817 Starter Disable Circ
P0818 Driveline Disconnect Switch Input Circ
P0820 Gear Lever X-Y Pos Sens Circ
P0821 Gear Lever X Pos Sens Circ
P0822 Gear Lever Y Pos Sens Circ
P0823 Gear Lever X Pos Sens Circ Interm.
P0824 Gear Lever Y Pos Sens Circ Interm.
P0825 Gear Lever Push/Pull Switch Circ (Shift Anticipate)
P0826 Up and Down Shift Switch Circ
P0827 Up and Down Shift Switch Circ Low
P0828 Up and Down Shift Switch Circ High
P0829 5-6 Shift
P0830 Clutch Pedal Switch A Circ
P0831 Clutch Pedal Switch A Circ Low
P0668 Cruise Set' Signal Error
P0669 Cruise Coast' Signal Error
P0670 Glow plug Ctrl Circ Error
P0671 Glow plug #1 Circ failure
P0672 Glow plug #2 Circ failure
P0673 Glow plug #3 Circ failure
P0674 Glow plug #4 Circ failure
P0675 Glow plug #5 Circ failure
P0676 Glow plug #6 Circ failure
P0677 Glow plug #7 Circ failure
P0678 Glow plug #8 Circ failure
P0679 Reserve for future glow plug #9
P0680 Reserve for future glow plug #10
P0681 Reserve for future glow plug #11
P0682 Reserve for future glow plug #12
P0683 Glow Plug Ctrl Mod to PCM Comm Circ
P0684 Glow Plug Ctrl Mod to PCM Comm Circ
Range/Perf
P0685 ECM/PCM Power Relay Ctrl Circ /Open
P0686 ECM/PCM Power Relay Ctrl Circ Low
P0687 ECM/PCM Power Relay Ctrl Circ High
P0688 ECM/PCM Power Relay Sense Circ /Open
P0689 ECM/PCM Power Relay Sense Circ Low
P0690 ECM/PCM Power Relay Sense Circ High
P0691 Fan 1 Ctrl Circ Low
P0692 Fan 1 Ctrl Circ High
P0693 Fan 2 Ctrl Circ Low
P0694 Fan 2 Ctrl Circ High
P0695 Fan 3 Ctrl Circ Low
P0696 Fan 3 Ctrl Circ High
P0697 Sens Reference Voltage C Circ/Open
P0698 Sens Reference Voltage C Circ Low
P0699 Sens Reference Voltage C Circ High
P0700 Tran Ctrl Sys Error
P0701 Tran Ctrl Sys Range/Perf
P0702 Tran Ctrl Sys Electrical
P0703 Brake Switch B Circ Error
P0704 Clutch Pedal Pos Switch Input Circ Error
P0705 Tran Range Sens Circ Error
P0706 Tran Range Sens Circ Range/Perf
P0707 Tran Range Sens Circ Low Input
P0708 Tran Range Sens Circ High Input
P0709 Tran Range Sens Circ Interm.
P0710 Tran Fluid Temp Sens Circ Error
P0711 Tran Fluid Temp Sens Circ Range/Perf
P0712 Tran Fluid Temp Sens CKT Low Input
P0713 Tran Fluid Temp Sens CKT High Input
P0714 Tran Fluid Temp Sens Circ Interm.
P0715 Input/Turbine Speed Sens Circ Error
P0716 Input/Turbine Speed Sens Circ Range/Perf
P0717 Input/Turbine Speed Sens Circ No Signal
P0718 Input/Turbine Speed Sens Circ Interm.
P0719 Torque Converter/Brake Switch B Circ Low
P0720 Output Speed Sens Circ Error
P0721 Output Speed Sens Range/Perf
P0722 Output Speed Sens No Signal
P0723 Output Speed Sens Interm.
P0724 Torque Converter/Brake Switch B Circ High
P0725 Eng Speed input Circ Error
P0726 Eng Speed Input Circ Range/Perf
P0727 Eng Speed Input Circ No Signal
P0728 Eng Speed Input Circ Interm.
P0729 Gear 6 Incorrect Ratio
P0730 Incorrect Gear Ratio
P0731 Gear One Ratio Error
P0732 Gear Two Ratio Error
P0733 Gear Three Ratio Error
P0734 Gear Four Ratio Error
P0735 Gear Five Ratio Error
P0736 Reverse Gear Ratio Error
P0737 TCM Eng Speed Output Circ
P0738 TCM Eng Speed Output Circ Low
P0739 TCM Eng Speed Output Circ High
P0740 Torque Converter Clutch Circ Malfunction
P0741 Torque Converter Clutch Circ Perf/Stuck Off
P0742 Torque Converter Clutch Circ Stuck On
P0743 Torque Converter Clutch Sys Electrical Failure
P0744 Torque Converter Clutch Circ Interm.
P0745 Pres Ctrl Solenoid Error
P0746 Pres Ctrl Solenoid Perf/Stuck Off
P0747 Pres Ctrl Solenoid Stuck On
P0748 Pres Ctrl Solenoid Electrical
P0749 Pres Ctrl Solenoid Interm.
P0750 Shift Solenoid A Error
P0751 Shift Solenoid A Perf/Stuck Off
P0752 Shift Solenoid A Stuck On
P0753 Shift Solenoid A Electrical
P0754 Shift Solenoid A Interm.
P0755 Shift Solenoid B Error
P0756 Shift Solenoid B Perf/Stuck Off
P0757 Shift Solenoid B Stuck On
P0758 Shift Solenoid B Electrical
P0759 Shift Solenoid B Interm.
P0760 Shift Solenoid C Error
P0761 Shift Solenoid C Perf/Stuck Off
P0762 Shift Solenoid C Stuck On
P0763 Shift Solenoid C Electrical
P0764 Shift Solenoid C Interm.
P0765 Shift Solenoid D Error
P0766 Shift Solenoid D Perf/Stuck Off
P0767 Shift Solenoid D Stuck On
P0768 Shift Solenoid D Electrical
P0769 Shift Solenoid D Interm.
P0770 Shift Solenoid E Error
P0771 Shift Solenoid E Perf/Stuck Off
P0772 Shift Solenoid E Stuck On
P0773 Shift Solenoid E Electrical
P0774 Shift Solenoid E Interm.
P0775 Pres Ctrl Solenoid B
P0776 Pres Ctrl Solenoid B Perf/Stuck Off
P0777 Pres Ctrl Solenoid B Stuck On
P0778 Pres Ctrl Solenoid B Electrical
P0779 Pres Ctrl Solenoid B Interm.
P0780 Shift Error
P0781 1-2 Shift Error
P0782 2-3 Shift Error
P0783 3-4 Shift Error
P0784 4-5 Shift Error
P0785 Shift/Timing Solenoid Error
P0786 Shift/Timing Solenoid Range/Perf
P0787 Shift/Timing Solenoid Low
P0788 Shift/Timing Solenoid High
P0789 Shift/Timing Solenoid Interm.
P0790 Normal/Perf Switch Circ Error
P0791 Intermediate Shaft Speed Sens Circ
P0792 Intermediate Shaft Speed Sens Circ Range/Perf
P0793 Intermediate Shaft Speed Sens Circ No Signal
P0794 Intermediate Shaft Speed Sens Circ Interm.
P0795 Pres Ctrl Solenoid C
P0796 Pres Ctrl Solenoid C Perf/Stuck Off
P0797 Pres Ctrl Solenoid C Stuck On
P0798 Pres Ctrl Solenoid C Electrical
P0799 Pres Ctrl Solenoid C Interm.
P0800 Transfer Case Ctrl System (MIL Request)
P0801 Reverse Inhibit Ctrl Circ Error
P0802 Trans Ctrl System MIL Request Circ/Open
P0803 1-4 Up shift (Skip Shift) Solenoid Ctrl Circ Error
P0804 1-4 Up shift (Skip Shift) Lamp Ctrl Circ Error
P0805 Clutch Pos Sens Circ
P0806 Clutch Pos Sens Circ Range/Perf
P0807 Clutch Pos Sens Circ Low
P0808 Clutch Pos Sens Circ High
P0809 Clutch Pos Sens Circ Interm.
P0810 Clutch Pos Ctrl Error
P0811 Excessive Clutch Slippage
P0812 Reverse Input Circ
P0813 Reverse Output Circ
P0814 Tran Range Display Circ
P0815 Up Shift Switch Circ
P0816 Down shift Switch Circ
P0817 Starter Disable Circ
P0818 Driveline Disconnect Switch Input Circ
P0820 Gear Lever X-Y Pos Sens Circ
P0821 Gear Lever X Pos Sens Circ
P0822 Gear Lever Y Pos Sens Circ
P0823 Gear Lever X Pos Sens Circ Interm.
P0824 Gear Lever Y Pos Sens Circ Interm.
P0825 Gear Lever Push/Pull Switch Circ (Shift Anticipate)
P0826 Up and Down Shift Switch Circ
P0827 Up and Down Shift Switch Circ Low
P0828 Up and Down Shift Switch Circ High
P0829 5-6 Shift
P0830 Clutch Pedal Switch A Circ
P0831 Clutch Pedal Switch A Circ Low
