C0240
Powertrain Control Module Traction Control Not Allowed
C0240 is an OBD-II diagnostic trouble code meaning: Powertrain Control Module Traction Control Not Allowed. Common causes: faulty wheel sensors (abs), problems with the traction control wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Traction control system disabled
- Reduced engine efficiency
- Acceleration problems
Causes
- Faulty wheel sensors (ABS)
- Problems with the traction control wiring harness
- Engine control module (PCM) malfunction
- Software errors in PCM
- Problems with wheel speed sensors
How to Fix
- Carry out diagnostics of the ABS and TCS systems
- Check wiring harness and sensor connections
- Read error codes from ABS control unit
- Check and, if necessary, replace wheel speed sensors
- Update or reflash PCM software
- Replace PCM if necessary
Related codes
Error C0240 by Vehicle Brand
FAQ
What does the C0240 code mean?
C0240 is an OBD-II diagnostic trouble code that indicates: Powertrain Control Module Traction Control Not Allowed
What causes a C0240 error code?
The most common causes of C0240 include: Faulty wheel sensors (ABS); Problems with the traction control wiring harness; Engine control module (PCM) malfunction; Software errors in PCM.
How do I fix a C0240 diagnostic trouble code?
To fix C0240: Carry out diagnostics of the ABS and TCS systems. Check wiring harness and sensor connections. Read error codes from ABS control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0240?
Limited driving only, diagnose soon
How much does it cost to fix C0240?
The estimated repair cost for C0240 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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