Diagnostic Trouble Code Search

Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.

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DTC Code Format Guide
P Powertrain
B Body
C Chassis
U Network

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P Codes

Code Type System System Name Module Message
P0844 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch A Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent
P0845 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch B Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch B Circuit
P0846 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch B Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
P0847 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch B Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch B Circuit Low
P0848 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch B Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch B Circuit High
P0849 P-Code Powertrain Transmission Fluid Pressure Sensor/Switch B Circuit Engine Control Module Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
P0850 P-Code Powertrain Park / Neutral Switch Input Circuit Engine Control Module Park / Neutral Switch Input Circuit
P0851 P-Code Powertrain Park / Neutral Switch Input Circuit Engine Control Module Park / Neutral Switch Input Circuit Low
P0852 P-Code Powertrain Park / Neutral Switch Input Circuit Engine Control Module Park / Neutral Switch Input Circuit High
P0853 P-Code Powertrain Drive Switch Input Circuit Engine Control Module Drive Switch Input Circuit
P0854 P-Code Powertrain Drive Switch Input Circuit Engine Control Module Drive Switch Input Circuit Low
P0855 P-Code Powertrain Drive Switch Input Circuit Engine Control Module Drive Switch Input Circuit High
P0856 P-Code Powertrain Traction Control Input Signal Engine Control Module Traction Control Input Signal
P0857 P-Code Powertrain Traction Control Input Signal Engine Control Module Traction Control Input Signal Range/Performance
P0858 P-Code Powertrain Traction Control Input Signal Engine Control Module Traction Control Input Signal Low
P0859 P-Code Powertrain Traction Control Input Signal Engine Control Module Traction Control Input Signal High
P0860 P-Code Powertrain Gear Shift Module Communication Circuit Engine Control Module Gear Shift Module Communication Circuit
P0861 P-Code Powertrain Gear Shift Module Communication Circuit Engine Control Module Gear Shift Module Communication Circuit Low
P0862 P-Code Powertrain Gear Shift Module Communication Circuit Engine Control Module Gear Shift Module Communication Circuit High
P0863 P-Code Powertrain TCM Communication Circuit Engine Control Module TCM Communication Circuit