P1742
Torque Converter Clutch Solenoid Failed On Conditions
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine light comes on
- Gear shifting problems
- Decreased fuel efficiency
- Vibration when driving
- The car may jerk when the gas turbine engine is blocked
Causes
- Engine blocking solenoid malfunction
- Open or short circuit in solenoid circuit
- Wiring Harness Problems
- Low or contaminated transmission fluid
- Mechanical damage to the torque converter
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the electrical circuit of the solenoid
- Check solenoid resistance
- Replace the faulty gas turbine blocking solenoid
- If necessary, replace the torque converter