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Generic Fault Codes & DTC List

Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.

Generic fault codes — page 27
CodeMeaningApplicability
P0718Turbine shaft speed (TSS) sensor -circuit intermittentGeneric Generic OBD
P0719Torque converter/brake switch B -circuit lowGeneric Generic OBD
P071ATransmission Mode Switch "A" CircuitGeneric Generic OBD
P071BTransmission Mode Switch "A" Circuit LowGeneric Generic OBD
P071CTransmission Mode Switch "A" Circuit HighGeneric Generic OBD
P071DTransmission Mode Switch "B" CircuitGeneric Generic OBD
P071ETransmission Mode Switch "B" Circuit LowGeneric Generic OBD
P071FTransmission Mode Switch "B" Circuit HighGeneric Generic OBD
P0720Output shaft speed (OSS) sensor -circuit malfunctionGeneric Generic OBD
P0721Output shaft speed (OSS) sensor -range/performance problemGeneric Generic OBD
P0722Output shaft speed (OSS) sensor -no signalGeneric Generic OBD
P0723Output shaft speed (OSS) sensor -circuit intermittentGeneric Generic OBD
P0724Torque converter/brake switch B -circuit highGeneric Generic OBD
P0725Engine RPM input -circuit malfunctionGeneric Generic OBD
P0726Engine RPM input -range/performance problemGeneric Generic OBD
P0727Engine RPM input -no signalGeneric Generic OBD
P0728Engine RPM input -circuit intermittentGeneric Generic OBD
P0729Gear 6 -incorrect ratioGeneric Generic OBD
P072AStuck in NeutralGeneric Generic OBD
P072BStuck In ReverseGeneric Generic OBD
P072CStuck in Gear 1Generic Generic OBD
P072DStuck in Gear 2Generic Generic OBD
P072EStuck in Gear 3Generic Generic OBD
P072FStuck in Gear 4Generic Generic OBD
P0730Incorrect gear ratioGeneric Generic OBD
P0731Gear 1 incorrect ratioGeneric Generic OBD
P0732Gear 2 incorrect ratioGeneric Generic OBD
P0733Gear 3 -incorrect ratioGeneric Generic OBD
P0734Gear 4 -incorrect ratioGeneric Generic OBD
P0735Gear 5 -incorrect ratioGeneric Generic OBD
P0736Reverse -incorrect ratioGeneric Generic OBD
P0737TCM engine speed -output circuitGeneric Generic OBD
P0738TCM engine speed -output circuit lowGeneric Generic OBD
P0739TCM engine speed -output circuit highGeneric Generic OBD
P073AStuck in Gear 5Generic Generic OBD
P073BStuck in Gear 6Generic Generic OBD
P073CStuck in Gear 7Generic Generic OBD
P073DUnable to Engage NeutralGeneric Generic OBD
P073EUnable to Engage ReverseGeneric Generic OBD
P073FUnable to Engage Gear 1Generic Generic OBD
P0740Torque converter clutch (TCC) solenoid - circuit malfunctionGeneric Generic OBD
P0741Torque converter clutch (TCC) solenoid -performance/stuck offGeneric Generic OBD
P0742Torque converter clutch (TCC) solenoid -stuck onGeneric Generic OBD
P0743Torque converter clutch (TCC) solenoid -electricalGeneric Generic OBD
P0744Torque converter clutch (TCC) solenoid -circuit intermittentGeneric Generic OBD
P0745Transmission fluid pressure (TFP) solenoid circuit malfunctionGeneric Generic OBD
P0746Transmission fluid pressure (TFP) solenoid -performance or stuck offGeneric Generic OBD
P0747Transmission fluid pressure (TFP) solenoid -stuck onGeneric Generic OBD
P0748Transmission fluid pressure (TFP) solenoid -electricalGeneric Generic OBD
P0749Transmission fluid pressure (TFP) solenoid -circuit intermittentGeneric Generic OBD

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