PCM Indicated Traction Control Malfunction
The PCM has flagged a traction control system issue.
Informational only. Consult a qualified mechanic.
- Engine performance issue affecting TC
- Wheel speed sensor fault
- TCM communication error
Scan for additional codes. Fix engine codes first.
What does C0242 mean?
The C0242 OBD-II diagnostic trouble code (DTC) indicates: pcm indicated traction control malfunction. This is a medium-severity chassis code that your vehicle's onboard diagnostics system triggers when the pcm has flagged a traction control system issue. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.
Related Articles
Track codes on your vehicle — sign up free
Log OBD-II codes, get maintenance reminders, and keep your complete service history.