P08xx OBD-II Codes (P0800–P0899)

100 fault codes in the P08xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

P0800 moderate
Transfer Case Control System MIL Request
P0801 moderate
Reverse Inhibit Control Circuit Malfunction
P0802 moderate
Transmission Control System MIL Request
P0803 low
1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
P0804 low
1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
P0805 moderate
Clutch Position Sensor Circuit Malfunction
P0806 moderate
Clutch Position Sensor Circuit Range/Performance
P0807 moderate
Clutch Position Sensor Circuit Low Input
P0808 moderate
Clutch Position Sensor Circuit High Input
P0809 moderate
Clutch Position Sensor Circuit Intermittent
P0810 moderate
Clutch Position Control Error
P0811 critical
Excessive Clutch Slippage
P0812 moderate
Reverse Input Circuit
P0813 moderate
Reverse Output Circuit
P0814 low
Transmission Range Display Circuit
P0815 low
Upshift Switch Circuit
P0816 low
Downshift Switch Circuit
P0817 moderate
Starter Disable Circuit Malfunction
P0818 moderate
Driveline Disconnect Switch Input Circuit
P0819 moderate
Up and Down Shift Switch to Transmission Range Correlation
P0820 moderate
Gear Lever X-Y Position Sensor Circuit
P0821 moderate
Gear Lever X Position Circuit
P0822 moderate
Gear Lever Y Position Circuit
P0823 moderate
Gear Lever X Position Circuit Intermittent
P0824 moderate
Gear Lever Y Position Circuit Intermittent
P0825 low
Gear Lever Push-Pull Switch (Shift Anticipate)
P0826 low
Up and Down Shift Switch Circuit
P0827 low
Up and Down Shift Switch Circuit Low
P0828 low
Up and Down Shift Switch Circuit High
P0829 moderate
5-6 Shift
P0830 moderate
Clutch Pedal Switch A Circuit
P0831 moderate
Clutch Pedal Switch A Circuit Low
P0832 moderate
Clutch Pedal Switch A Circuit High
P0833 moderate
Clutch Pedal Switch B Circuit
P0834 moderate
Clutch Pedal Switch B Circuit Range/Performance
P0835 moderate
Clutch Pedal Switch B Circuit
P0836 moderate
Four Wheel Drive (4WD) Switch Circuit
P0837 moderate
Transmission Control Module Battery Voltage Low
P0838 moderate
Transmission Control Module Battery Voltage High
P0839 moderate
Transmission Control Module Battery Voltage Range/Performance
P0840 moderate
Transmission Fluid Pressure Sensor/Switch A Circuit
P0841 moderate
Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
P0842 moderate
Transmission Fluid Pressure Sensor/Switch A Circuit Low
P0843 moderate
Transmission Fluid Pressure Sensor/Switch A Circuit High
P0844 moderate
Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent
P0845 moderate
Transmission Fluid Pressure Sensor/Switch B Circuit
P0846 moderate
Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
P0847 moderate
Transmission Fluid Pressure Sensor/Switch B Circuit Low
P0848 moderate
Transmission Fluid Pressure Sensor/Switch B Circuit High
P0849 moderate
Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
P0850 moderate
Park/Neutral Switch Input Circuit
P0851 moderate
Park/Neutral Switch Input Circuit Low
P0852 moderate
Park/Neutral Switch Input Circuit High
P0853 moderate
Drive Switch Input Circuit
P0854 moderate
Drive Switch Input Circuit Low
P0855 moderate
Drive Switch Input Circuit High
P0856 moderate
Traction Control Input Signal
P0857 moderate
Traction Control Input Signal Range/Performance
P0858 moderate
Traction Control Input Signal Low
P0859 moderate
Traction Control Input Signal
P0860 moderate
Gear Shift Module Communication Circuit
P0861 moderate
Gear Shift Module Communication Circuit Low
P0862 moderate
Gear Shift Module Communication Circuit High
P0863 critical
TCM Communication Circuit
P0864 moderate
TCM Communication Circuit Range/Performance
P0865 critical
TCM Communication Circuit Low
P0866 critical
TCM Communication Circuit High
P0867 critical
Transmission Fluid Pressure
P0868 critical
Transmission Fluid Pressure Low
P0869 moderate
Transmission Fluid Pressure High
P0870 moderate
Transmission Fluid Pressure Sensor/Switch C Circuit
P0871 moderate
Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance
P0872 moderate
Transmission Fluid Pressure Sensor/Switch C Circuit Low
P0873 moderate
Transmission Fluid Pressure Sensor/Switch C Circuit High
P0874 moderate
Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent
P0875 moderate
Transmission Fluid Pressure Sensor/Switch D Circuit
P0876 moderate
Transmission Fluid Pressure Sensor/Switch D Circuit Range/Performance
P0877 moderate
Transmission Fluid Pressure Sensor/Switch D Circuit Low
P0878 moderate
Transmission Fluid Pressure Sensor/Switch D Circuit High
P0879 moderate
Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent
P0880 critical
TCM Power Input Signal
P0881 moderate
TCM Power Input Signal
P0882 moderate
TCM Power Input Signal Low
P0883 moderate
TCM Power Input Signal High
P0884 moderate
TCM Power Input Signal Intermittent
P0885 critical
TCM Power Relay Control Circuit Open
P0886 critical
TCM Power Relay Control Circuit Low
P0887 critical
TCM Power Relay Control Circuit High
P0888 critical
TCM Power Relay Sense Circuit
P0889 critical
TCM Power Relay Sense Circuit Range/Performance
P0890 critical
TCM Power Relay Sense Circuit Low
P0891 critical
TCM Power Relay Sense Circuit High
P0892 critical
TCM Power Relay Sense Circuit Intermittent
P0893 moderate
Cooling/Lubrication System Component or Module
P0894 critical
Transmission Component Slipping
P0895 moderate
Shift Time Too Short
P0896 moderate
Shift Time Too Long
P0897 moderate
Transmission Fluid Deteriorated
P0898 moderate
Transmission Control System MIL Request
P0899 moderate
Transmission Control System Enable/Disable Signal
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