P1644
Traction Control Delivered Torque Output Circuit Conditions
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check engine light is on
- Traction control system does not work
- Reduced engine power
- The vehicle may slip on slippery surfaces
- Possible problems with acceleration
Causes
- Open or short circuit in control circuit
- Traction control module malfunction
- Wiring Harness Problems
- Malfunction of wheel speed sensors
- Mechanical problems in the drive system
How to Fix
- Check the integrity of the torque control circuit
- Diagnose the traction control control module
- Check connections and wiring harness
- Test wheel speed sensors
- If necessary, replace faulty components