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Fail Safe Table

When any of the following DTCs is detected, TCM enters fail-safe mode as long as malfunction continues to exist but that mode is canceled when TCM detects normal condition after that.

FAIL SAFE

DTC No. Trouble Area Fail Safe Operation
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  • TCM control is performed in priority order below. 4 > D > 3 > L > R > N > P
P0707 Transmission Range Sensor Circuit Low
  • Range is assumed to be "D" range.
P0712 Transmission Fluid Temperature Sensor "A" Circuit Low
  • A/T fluid temperature is assumed to be 80°C (176°F).
  • Upshifting to 5th gear is inhibited.
  • Learning control is inhibited.
  • Slope shift control is inhibited.
  • Slip controlled lock-up function is inhibited to operate.
P0713 Transmission Fluid Temperature Sensor "A" Circuit High
P0717 Input/Turbine Speed Sensor Circuit No Signal
  • Upshifting to 5th gear is inhibited.
  • Torque reducing request to ECM (torque reduction control) is inhibited.
  • Learning control is inhibited.
  • Slope shift control is inhibited.
  • Slip controlled lock-up function is inhibited to operate.
P0722 Output Speed Sensor Circuit No Signal
  • Vehicle speed which is calculated by input shaft speed sensor signal is used for gear shifting control instead of vehicle speed calculated by output shaft speed sensor signal. Upshifting to 5th gear is inhibited.
  • Torque reducing request to ECM (torque reduction control) is inhibited.
  • Learning control is inhibited.
  • Slope shift control is inhibited.
  • Slip controlled lock-up function is inhibited to operate.
P0752 Shift Solenoid "A" Stuck On Upshifting to 4th and 5th gear is inhibited.
P0756 Shift Solenoid "B" Performance or Stuck Off Shift changing to 1st and 2nd gear in L range is inhibited.
P0757 Shift Solenoid "B" Stuck On Upshifting to 4th and 5th gear is inhibited.
P0772 Shift Solenoid "E" Stuck On Shift changing to 1st and 2nd gear in L range is inhibited.
P0781 1-2 Shift
  • Upshifting to 4th and 5th gear is inhibited.
  • Shift changing to 1st and 2nd gear in L range is inhibited.
P0797 Pressure Control Solenoid "C" Stuck On
  • Upshifting to 4th and 5th gear is inhibited.
P0962 Pressure Control Solenoid "A" Control Circuit Low
  • Power supply for all solenoid valves is cut.
  • Gear position is fixed according to select lever position as shown in the following.

    R: Reverse

    D: 4th

    3: 3rd

    L: 3rd

  • Learning control is inhibited.
  • Slope shift control is inhibited.
P0963 Pressure Control Solenoid "A" Control Circuit High
P0966 Pressure Control Solenoid "B" Control Circuit Low
P0967 Pressure Control Solenoid "B" Control Circuit High
P0970 Pressure Control Solenoid "C" Control Circuit Low
P0971 Pressure Control Solenoid "C" Control Circuit High
P0973 Shift Solenoid "A" Control Circuit Low
P0974 Shift Solenoid "A" Control Circuit High
P0976 Shift Solenoid "B" Control Circuit Low
P0977 Shift Solenoid "B" Control Circuit High
P0985 Shift Solenoid "E" Control Circuit Low
P0986 Shift Solenoid "E" Control Circuit High
P1702 Internal Control Module Memory Check Sum Error
  • Power supply for all solenoid valves is cut.
  • Gear position is fixed according to select lever position as shown in the following.

    R: Reverse

    D: 4th

    3: 3rd

    L: 3rd
P1703 CAN Invalid Data-TCM In case of accelerator pedal and/or throttle position signal malfunction:
  • Accelerator pedal and/or throttle opening used for line pressure control is assumed to be 100%.
  • Accelerator pedal and/or throttle opening used for gear shifting control is assumed to be 0%.
  • Upshifting to 5th gear is inhibited.
  • Lock-up function is inhibited to operate.
  • Line pressure control at gear shifting is inhibited.
  • Slope shift control is inhibited.

In case of engine coolant temperature signal malfunction:
  • Engine coolant temperature is assumed to be warming up condition.
  • Slip controlled lock-up function is inhibited to operate.
  • Slope shift control is inhibited.

In case of engine revolution signal malfunction:
  • Engine revolution is assumed to be max value.
  • Lock-up function is inhibited to operate.
  • Slope shift control is inhibited.
  • Learning control is inhibited.

In case of engine torque signal malfunction:
  • Engine torque is assumed to be max value.
  • Slip controlled lock-up function is inhibited to operate.
  • Slope shift control is inhibited.

In case of vehicle speed signal.
  • Slope shift control is inhibited.
P1723 Range Select Switch Malfunction
  • 4 position switch signal is invalidity.
P0073 Control Module Communication Bus Off
  • Throttle opening used for line pressure control is assumed to be 100%.
  • Throttle opening used for gear shifting control is assumed to be 0%.
  • Engine revolution is assumed to be max value.
  • Engine torque is assumed to be max value.
  • Engine coolant temperature is assumed to be warming up condition.
  • Lock-up function is inhibited to operate.
  • Upshifting to 5th gear is inhibited.
  • Slope shift control is inhibited.
U0100 Lost Communication With ECM
P1878 Torque Converter Clutch Shudder Slip controlled lock-up function is inhibited to operate.
P2763 Torque Converter Clutch Circuit High
  • Power supply for TCC solenoid is cut.
  • Learning control is inhibited.
  • Vehicle starting at 2nd gear is inhibited.
P2764 Torque Converter Clutch Circuit Low
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