GM has also developed new software to correct the problem. See this post to understand that fix.Īnother fix for Service traction system, service ESC warning messages on Chevrolet Malibu
Interfere with the wheel speed sensor’s ability to read a reliable wheel speed. One fix is to examine the magnetic ring on the wheel bearing to clean off any metallic debris that might
How to fix Service traction system, service ESC warning messagesĪs I said earlier, GM has issued several service bulletins to correct the problem. A failure of any one of those sensor, will trigger the disabling of one or both systems and the setting of the Service traction system and service ESC warning lights. The electronic stability control (ESC) works in tandem with the traction control system, comparing wheel speed sensor data along with the steering wheel angle sensor and yaw sensor. For example, if you’re rounding a left curve and turn the steering wheel to the left, but the yaw sensor detects the vehicle moving to the right, it makes a determination that you’re in a skid condition and will reduce power and operate the brakes at each wheel to try and correct the vehicle direction. The stability control system monitors the vehicle’s actual direction as compared to the driver’s intended direction based on steering wheel inputs. The service ESC refers to the vehicle’s stability control system. Depending on the vehicle, the traction control system can initiate the shutdown of both the traction and stability control system and vice versa.
For example, if a wheel speed sensor fails or provides intermittent information, the traction control system will set a trouble code and disable the system since it can no longer rely on the data coming from all the wheels. The warning light indicates a problem somewhere in the system. The traction control system then tries to correct the spinning situation by reducing power to that particular wheel or applying the brakes to that wheel in an effort to gain more traction. If the wheel is spinning faster, that’s indication of slipping due to ice, snow, sand, etc. Wheel is spinning faster or slower than the others. The traction control system monitors wheel rotation and detects when one What does Service traction system, service ESC warning mean? If you get a service traction system warning light or service ESC warning light on your GM product, be aware that GM has issued several service bulletins to address the problem, depending on the year, make, model of your vehicle. Repair Topics > Brakes > Service traction system, service ESC Service traction system, service ESC How to fix Service traction system, service ESC warning lights on a GM vehicle