C0276

Transmission Control Module Traction Control Not Allowed

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

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
Check the functionality of the transmission control unit
If necessary, update the TCM firmware
Replace faulty components

Related codes

C0275 C0277 P0700