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Home >> Suzuki >> 2013 >> Kizashi Base, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) >> Diagnostic Information and Procedures >> Fail-Safe Table

Fail-Safe Table

This function is provided by the safe mechanism that assures safe driveability even when the solenoid valve, sensor or its circuit fails. The following table shows the fail-safe function for each fail condition of solenoid valve, sensor or its circuit.

DTC REFERENCE

DTC DTC name Fail-safe operation
P0602 Control Module Programming Error -
P062F Internal Control Module EEPROM Error -
P0641 Sensor Reference Voltage "A" Circuit/Open -
P0703 Brake Switch "B" Circuit TCM controls actuators assuming that brake light switch is always on.
P0705 Transmission Range Sensor "A" Circuit (PRNDL Input)
  • TCM controls actuators assuming that select range is "D" range.
  • TCM stops following operation/function.
    • Lock-up control operation
    • Manual shift mode function
  • TCM transmits torque request signal to ECM (torque reduction).
  • TCM transmits engine speed upper limit request signal to ECM.
P0707 Transmission Range Sensor "A" Circuit Low
P0711 Transmission Fluid Temperature Sensor "A" Circuit Range/Performance TCM controls actuators assuming that CVT fluid temperature is specified value.
P0712 Transmission Fluid Temperature Sensor "A" Circuit Low
P0713 Transmission Fluid Temperature Sensor "A" Circuit High
P0716 Input/Turbine Speed Sensor "A" Circuit Range/Performance
  • TCM controls actuator in presumption gear ratio calculated from secondary pulley speed and stepper motor position.
  • TCM inhibits following operation/function.
    • Lock-up control operation
    • Manual shift mode function
  • TCM delays changing speed of gear ratio.
P0717 Input/Turbine Speed Sensor "A" Circuit No Signal
P0721 Output Speed Sensor Circuit Range/Performance
  • TCM controls actuator by gear ratio depending on accelerator pedal position and primary pulley speed.
  • TCM inhibits following operation/function.
    • Lock-up control operation
    • Manual shift mode function
  • TCM delays changing speed of gear ratio.
P0722 Output Speed Sensor Circuit No Signal
P0741 Torque Converter Clutch Circuit Performance or Stuck Off TCM stops lock-up control operation.
P0776 Pressure Control Solenoid "B" Performance/Stuck Off -
P0777 Pressure Control Solenoid "B" Stuck On TCM transmits torque request signal to ECM (torque reduction).
P0826 Up and Down Shift Switch Circuit TCM stops manual shift mode control.
P0842 Transmission Fluid Pressure Sensor/Switch "A" Circuit Low
  • TCM controls actuators assuming that line pressure is 0 MPa (0 kgf/cm2 , 0 psi, 0 bar).
  • TCM transmits torque request signal to ECM (torque reduction).
P0843 Transmission Fluid Pressure Sensor/Switch "A" Circuit High
P0847 Transmission Fluid Pressure Sensor/Switch "B" Circuit Low
  • TCM controls actuators assuming that secondary pressure is 0 MPa (0 kgf/cm2 , 0 psi, 0 bar).
  • TCM transmits torque request signal to ECM (torque reduction).
P0848 Transmission Fluid Pressure Sensor/Switch "B" Circuit High
P0871 Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance
  • TCM transmits torque request signal to ECM (torque reduction).
  • Gear ratio is fixed at gear ratio of point that this DTC was detected.
P0961 Pressure Control Solenoid "A" Control Circuit Range/Performance
  • TCM transmits torque request signal to ECM (torque reduction).
  • The following items are executed according to the detection frequency.
    • TCM transmits torque request signal to ECM (torque reduction).
    • TCM stops lock-up control.
    • TCM limits shift speed of gear ratio.
    • TCM controls gear ratio assuming that is specified value.
P0962 Pressure Control Solenoid "A" Control Circuit Low TCM maximizes line pressure value (duty 0%).
P0963 Pressure Control Solenoid "A" Control Circuit High
P0966 Pressure Control Solenoid "B" Control Circuit Low TCM maximizes secondary pressure value (duty 0%).
P0967 Pressure Control Solenoid "B" Control Circuit High
P1706 Torque Request Communication Error from TCM -
P1810 Lockup/Select Control Circuit TCM controls actuators assuming that lock-up/select switching solenoid valve is OFF.
P1816 Stepper Motor Circuit Malfunction
  • Gear ratio is fixed at gear ratio of point that this DTC was detected.
  • TCM stops lock-up control.
P1818 Stepper Motor Performance -
P1824 External ROM No Read TCM controls actuators assuming that secondary pressure is specified pressure.
P1825 External ROM Verification Error TCM controls actuators assuming that secondary pressure is specified pressure.
P1970 Sensor Ground Circuit Malfunction
  • TCM stops following operation/function.
    • Lock-up control operation
    • Manual shift mode function
  • TCM controls actuators assuming that CVT fluid temperature is specified value.
  • TCM controls actuators assuming that line pressure is 0 MPa (0 kgf/cm2 , 0 psi, 0 bar).
  • TCM controls actuators assuming that secondary pressure is 0 MPa (0 kgf/cm2 , 0 psi, 0 bar).
  • TCM transmits torque request signal to ECM (torque reduction).
  • Gear ratio is fixed at gear ratio of point that this DTC was detected.
P2763 Torque Converter Clutch Pressure Control Solenoid Control Circuit High TCM stops lock-up operation.
P2764 Torque Converter Clutch Pressure Control Solenoid Control Circuit Low
U0073 Control Module Communication Bus Off -
U0100 Lost Communication With ECM
  • Engine speed is assumed to be specified value.
  • Engine torque is assumed to be maximum value.
  • TCM stops lock-up control.
  • Throttle opening angle is assumed to be 0%.
U0121 Lost Communication With ABS -
U0140 Lost Communication With BCM -
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