P1740 DODGE - Torque Converter Clutch or Overdrive Solenoid Performance Condition
- Dirty transmission fluid
- Faulty TCC or Overdrive solenoid
- Open or shorted circuit condition
Torque Converter Clutch (TCC) and Overdrive (OD) clutch are tested when the Powertrain Control Module (PCM) requests TCC engagement in 3rd gear and Overdrive. The P1740 code will set if expected RPM drop is not achieved while attempting to engine TCC and/or Overdrive. The P1740 code indicates malfunctioning torque converter or overdrive clutch.