P1740
Torque Converter Clutch or Overdrive Solenoid Performance Condition
P1740 is an OBD-II diagnostic trouble code meaning: Torque Converter Clutch or Overdrive Solenoid Performance Condition. Common causes: overdrive solenoid malfunction, problems with the torque converter clutch. Estimated repair cost: $22–89.
Symptoms
- Gear shifting problems
- No torque converter lockup
- Increased fuel consumption
- Vibrations when driving
- Check Engine Light Illuminates
Causes
- Overdrive solenoid malfunction
- Problems with the torque converter clutch
- Open or short circuit in control circuit
- Low or contaminated transmission fluid
- Problems with the transmission control unit
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the electrical circuit of the solenoid
- Check overdrive solenoid resistance
- If necessary, replace the solenoid or clutch of the gas turbine engine
- Reset error and test drive
Related codes
Error P1740 by Vehicle Brand
FAQ
What does the P1740 code mean?
P1740 is an OBD-II diagnostic trouble code that indicates: Torque Converter Clutch or Overdrive Solenoid Performance Condition
What causes a P1740 error code?
The most common causes of P1740 include: Overdrive solenoid malfunction; Problems with the torque converter clutch; Open or short circuit in control circuit; Low or contaminated transmission fluid.
How do I fix a P1740 diagnostic trouble code?
To fix P1740: Check the level and condition of the transmission fluid. Diagnose the electrical circuit of the solenoid. Check overdrive solenoid resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1740?
Limited driving only, diagnose soon
How much does it cost to fix P1740?
The estimated repair cost for P1740 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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