OBD Guide

C0276

Transmission Control Module Traction Control Not Allowed

C0276 is an OBD-II diagnostic trouble code meaning: Transmission Control Module Traction Control Not Allowed. Common causes: transmission control module (tcm) malfunction, problems with wheel speed sensors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check engine light is on
  • Disabling the traction control system
  • Reduced acceleration dynamics
  • Gear shifting problems

Causes

  • Transmission control module (TCM) malfunction
  • Problems with wheel speed sensors
  • Open or short circuit in wiring harness
  • Software error in TCM
  • Problems with the ABS system

How to Fix

  1. Carry out diagnostics with an OBD-II scanner to clarify the error.
  2. Check wheel speed sensors and their wiring
  3. Inspect the wiring harness for damage
  4. Check the functionality of the transmission control unit
  5. If necessary, update the TCM firmware
  6. Replace faulty components

Related codes

Error C0276 by Vehicle Brand

FAQ

What does the C0276 code mean?

C0276 is an OBD-II diagnostic trouble code that indicates: Transmission Control Module Traction Control Not Allowed

What causes a C0276 error code?

The most common causes of C0276 include: Transmission control module (TCM) malfunction; Problems with wheel speed sensors; Open or short circuit in wiring harness; Software error in TCM.

How do I fix a C0276 diagnostic trouble code?

To fix C0276: Carry out diagnostics with an OBD-II scanner to clarify the error.. Check wheel speed sensors and their wiring. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0276?

Do not drive — repair immediately

How much does it cost to fix C0276?

The estimated repair cost for C0276 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat