P1758
Problem in Torque Converter Clutch Solenoid Valve 'B' Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Increased fuel consumption
- Gear shifting problems
- Vibration when locking torque converter
- Activation of automatic transmission emergency mode
- Check Engine Light Illuminates
Causes
- Engine blocking solenoid malfunction
- Open or short circuit in solenoid circuit
- Poor contact in connectors
- Transmission control module (TCM) malfunction
- Wiring Harness Problems
How to Fix
- Check the resistance of the gas turbine engine blocking solenoid
- Inspect the solenoid circuit for opens and shorts.
- Check connectors and contacts for oxidation
- If necessary, replace the gas turbine blocking solenoid
- Check the operation of the transmission control module