ECM Request - Forced Traction Control Disable
Engine control module requests forced disable of traction control — typically when the engine cannot deliver requested torque reduction.
Affected components
- Ecm
- Tcs module
Common causes
- High likelihood: ECM/TCS communication issue
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Diagnostic notes
- The malfunction indicator lamp may illuminate
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.