C0242
Engine Control Module Indicated Traction Control Malfunction
C0242 is an OBD-II diagnostic trouble code meaning: Engine Control Module Indicated Traction Control Malfunction. Common causes: malfunction of wheel speed sensors, damage to the traction control wiring harness. Estimated repair cost: $56–222.
Symptoms
- Check Engine Light Is On
- Disabling the traction control system
- Deterioration in acceleration dynamics
- Unstable engine operation
Causes
- Malfunction of wheel speed sensors
- Damage to the traction control wiring harness
- Problems with the ABS/TCS control module
- ECM malfunction
- Mechanical damage to the brake system
How to Fix
- Check fault codes in the ABS system
- Inspect the wiring harness and wheel speed sensor connectors
- Check wheel speed sensors for dirt or damage.
- Test the ABS/TCS control module
- If necessary, replace faulty components
- Clear errors and test drive
Related codes
Error C0242 by Vehicle Brand
FAQ
What does the C0242 code mean?
C0242 is an OBD-II diagnostic trouble code that indicates: Engine Control Module Indicated Traction Control Malfunction
What causes a C0242 error code?
The most common causes of C0242 include: Malfunction of wheel speed sensors; Damage to the traction control wiring harness; Problems with the ABS/TCS control module; ECM malfunction.
How do I fix a C0242 diagnostic trouble code?
To fix C0242: Check fault codes in the ABS system. Inspect the wiring harness and wheel speed sensor connectors. Check wheel speed sensors for dirt or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0242?
Do not drive — repair immediately
How much does it cost to fix C0242?
The estimated repair cost for C0242 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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