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
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P Codes

Code Type System System Name Module Message
P1840 P-Code Powertrain TransmissionTransferCaseShiftMotorShortCircuitToBattery Engine Control Module TransmissionTransferCaseShiftMotorShortCircuitToBattery
P1841 P-Code Powertrain TransmissionTransferCaseShiftMotorShortCircuitToGround Engine Control Module TransmissionTransferCaseShiftMotorShortCircuitToGround
P1842 P-Code Powertrain TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchCircuitFailure Engine Control Module TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchCircuitFailure
P1843 P-Code Powertrain TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchOpenCircuit Engine Control Module TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchOpenCircuit
P1844 P-Code Powertrain TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchShortCircuitToBattery Engine Control Module TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchShortCircuitToBattery
P1845 P-Code Powertrain TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchShortCircuitToGround Engine Control Module TransmissionTransferCaseDifferentialLock-UpFeedbackSwitchShortCircuitToGround
P1846 P-Code Powertrain TransmissionTransferCaseContactPlate"A"CircuitFailure Engine Control Module TransmissionTransferCaseContactPlate"A"CircuitFailure
P1847 P-Code Powertrain TransmissionTransferCaseContactPlate"A"OpenCircuit Engine Control Module TransmissionTransferCaseContactPlate"A"OpenCircuit
P1848 P-Code Powertrain TransmissionTransferCaseContactPlate"A"ShortCircuitToBattery Engine Control Module TransmissionTransferCaseContactPlate"A"ShortCircuitToBattery
P1849 P-Code Powertrain TransmissionTransferCaseContactPlate"A"ShortCircuitToGround Engine Control Module TransmissionTransferCaseContactPlate"A"ShortCircuitToGround
P1850 P-Code Powertrain TransmissionTransferCaseContactPlate"B"CircuitFailure Engine Control Module TransmissionTransferCaseContactPlate"B"CircuitFailure
P1851 P-Code Powertrain TransmissionTransferCaseContactPlate"B"OpenCircuit Engine Control Module TransmissionTransferCaseContactPlate"B"OpenCircuit
P1852 P-Code Powertrain TransmissionTransferCaseContactPlate"B"ShortCircuitToBattery Engine Control Module TransmissionTransferCaseContactPlate"B"ShortCircuitToBattery
P1853 P-Code Powertrain TransmissionTransferCaseContactPlate"B"ShortCircuitToGround Engine Control Module TransmissionTransferCaseContactPlate"B"ShortCircuitToGround
P1854 P-Code Powertrain TransmissionTransferCaseContactPlate"C"CircuitFailure Engine Control Module TransmissionTransferCaseContactPlate"C"CircuitFailure
P1855 P-Code Powertrain TransmissionTransferCaseContactPlate"C"OpenCircuit Engine Control Module TransmissionTransferCaseContactPlate"C"OpenCircuit
P1856 P-Code Powertrain TransmissionTransferCaseContactPlate"C"ShortCircuitToBattery Engine Control Module TransmissionTransferCaseContactPlate"C"ShortCircuitToBattery
P1857 P-Code Powertrain TransmissionTransferCaseContactPlate"C"ShortCircuitToGround Engine Control Module TransmissionTransferCaseContactPlate"C"ShortCircuitToGround
P1858 P-Code Powertrain TransmissionTransferCaseContactPlate"D"CircuitFailure Engine Control Module TransmissionTransferCaseContactPlate"D"CircuitFailure
P1859 P-Code Powertrain TransmissionTransferCaseContactPlate"D"OpenCircuit Engine Control Module TransmissionTransferCaseContactPlate"D"OpenCircuit