P1887
Torque Converter Clutch Release Switch Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Transmission malfunction
- Increased fuel consumption
- Check Engine Light Illuminates
- Gear shifting problems
- Reduced vehicle dynamics
Causes
- Malfunction of the gas turbine blocking switch
- Open or short circuit in the circuit
- Problems with the transmission control module
- Low or contaminated transmission fluid level
- Poor contact in connectors
How to Fix
- Check the level and condition of the transmission fluid
- Check the integrity of wiring and connectors
- Test the gas turbine blocking switch
- Check the operation of the transmission control module
- Replace faulty components