FixVault

DTC P0735 Gear 5 Incorrect Ratio: DTC Detecting Condition

DTC CHART

Item Detecting Condition Possible cause
DTC Strategy 
  • 5th gear incorrect ratio
  • Faulty Input speed sensor
  • Faulty output speed sensor
  • Faulty OD, DIR clutch or 2nd brake
Enable Conditions 
  • Engine speed > 450rpm
  • Output speed > 300rpm
  • Shift stage 5th. gear
  • Input speed > 0rpm
  • A/T oil temp output ≥ -23°C (-9.4°F)
  • 11V ≤ Battery Voltage ≤ 16V
  • TRANSAXLE RANGE SWITCH is normal
Threshold value 
  • | input speed/4th gear ratio - output speed | ≥200rpm
Diagnostic Time 
  • More than 1sec
Fail Safe 
  • Locked into 3 rd gear. (If diagnosis code P0734 is output four times, the transaxle is locked into 3rd gear)