Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Automatic Transmission DTCS
; DTC P0721: Problem in Output Shaft (Countershaft) Speed Sensor Circuit DTC P0717 Problem in Input Shaft (Mainshaft) Speed Sensor Circuit (No Signal Input); DTC P0718: Input Shaft (Mainshaft) Speed Sensor Intermittent Failure DTC P0722 Problem in Output Shaft (Countershaft) Speed Sensor Circuit (No Signal Input); DTC P0723: Output Shaft (Countershaft) Speed Sensor Intermittent Failure DTC P0731 Problem in 1st Clutch and 1st Clutch Hydraulic Circuit DTC P0732 Problem in 2nd Clutch and 2nd Clutch Hydraulic Circuit DTC P0733 Problem in 3rd Clutch and 3rd Clutch Hydraulic Circuit DTC P0734 Problem in 4th Clutch and 4th Clutch Hydraulic Circuit DTC P0735 Problem in 5th Clutch and 5th Clutch Hydraulic Circuit DTC P0741 Torque Converter Clutch Hydraulic Circuit Stuck OFF DTC P0746 A/T Clutch Pressure Control Solenoid Valve A Stuck OFF; DTC P0747: A/T Clutch Pressure Control Solenoid Valve A Stuck ON DTC P0751 Shift Solenoid Valve A Stuck OFF; DTC P0752: Shift Solenoid Valve A Stuck ON DTC P0756 Shift Solenoid Valve B Stuck OFF; DTC P0757: Shift Solenoid Valve B Stuck ON DTC P0761 Shift Solenoid Valve C Stuck OFF; DTC P0762: Shift Solenoid Valve C Stuck ON DTC P0766 Shift Solenoid Valve D Stuck OFF; DTC P0767: Shift Solenoid Valve D Stuck ON DTC P0776 A/T Clutch Pressure Control Solenoid Valve B Stuck OFF; DTC P0777: A/T Clutch Pressure Control Solenoid Valve B Stuck ON DTC P0796 A/T Clutch Pressure Control Solenoid Valve C Stuck OFF; DTC P0797: A/T Clutch Pressure Control Solenoid Valve C Stuck ON DTC P0797 A/T Clutch Pressure Control Solenoid Valve C Stuck ON DTC P0812 Open in Transmission Range Switch ATPR Switch Circuit DTC P0842 Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON DTC P0843 Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF DTC P0847 Short in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck ON DTC P0848 Open in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck OFF DTC P0872 Short in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck ON DTC P0873 Open in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck OFF DTC P0962 Problem in A/T Clutch Pressure Control Solenoid Valve A Circuit DTC P0963 Problem in A/T Clutch Pressure Control Solenoid Valve A DTC P0966 Problem in A/T Clutch Pressure Control Solenoid Valve B Circuit DTC P0967 Problem in A/T Clutch Pressure Control Solenoid Valve B DTC P0970 Problem in A/T Clutch Pressure Control Solenoid Valve C Circuit DTC P0971 Problem in A/T Clutch Pressure Control Solenoid Valve C DTC P0973 Short in Shift Solenoid Valve A Circuit DTC P0974 Open in Shift Solenoid Valve A Circuit DTC P0976 Short in Shift Solenoid Valve B Circuit DTC P0977 Open in Shift Solenoid Valve B Circuit DTC P0979 Short in Shift Solenoid Valve C Circuit DTC P0980 Open in Shift Solenoid Valve C Circuit DTC P0982 Short in Shift Solenoid Valve D Circuit DTC P0983 Open in Shift Solenoid Valve D Circuit DTC P1717 Open in Transmission Range Switch ATPRVS Switch Circuit DTC P1743 Problem in Shift Control System; Shift Valve E Stuck OFF; DTC P1744: Problem in Shift Control System, Shift Valve E Stuck ON DTC P1745 Problem in Shift Control System; Servo Control Valve Stuck OFF or Servo Valve Stuck OFF DTC P1780 Problem in Shift Control System
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.