C1449: Traction Control Motor Coherency Fault
What does C1449 mean?
C1449 is a diagnostic trouble code indicating "Traction Control Motor Coherency Fault". This code relates to your vehicle's stability control and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Noticeable change in engine performance
- Unusual sounds or vibrations
- Possible issues with stability control operation
- Vehicle may enter reduced power mode (limp mode)
Estimated repair cost
Typical range in Australia (parts + labour)
Common causes
- Faulty stability control component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
This code sits in the stability and traction control system. Electronic stability control, traction control and the sensors feeding them may be offline, so the car will not correct a slide for you. It will feel completely normal right up until you need it, typically in the wet or in a sudden swerve. Get it diagnosed before driving in poor conditions.
Get a diagnosis for YOUR car
Code C1449 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.