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TCS Light

Hello, most often this problem is due to a dirty or faulty wheel speed sensor (https://www.yourmechanic.com/services/wheel-speed-sensor-replacement). Wheel speed sensors provide critical information to both the ABS and traction control systems (TCS). To determine which wheel speed sensor is bad (or...

Hello there, many faults will cause your 2009 Mercury Milan to have soft brakes. The most common causes of soft brakes are air in the brake fluid, master cylinder failure (https://www.yourmechanic.com/services/brake-master-cylinder-replacement), brake fluid leaks (https://www.yourmechanic.com/services/brake-fluid-is-leaking-inspection), or a faulty brake booster...

Hello, thanks for writing in. There are a lot of things that can cause this. Most of the time if the vehicle is running fine it comes on from low brake fluid or a failing wheel speed sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-wheel-speed-sensor). If...

Hello. If your ABS and Trac Off lights are coming on, this is related to a wheel bearing failure. General Motors has a common problem with wheel bearing failures on almost all models from Chevy to Cadillac. The best thing...

Hello. There are several reasons that might explain why these three warning lights are illuminated in your dashboard intermittently. It is very likely that a diagnostic trouble code has been stored in the Powertrain Control Module (PCM). It is also...

Hi there. Most often, this problem is due to a dirty or failed wheel speed sensor (https://www.yourmechanic.com/services/wheel-speed-sensor-replacement). The ABS and TCS systems depend on wheel speed readings from these sensors. Cleaning the sensor heads, and the inductance rings on the...

Hi, thanks for writing in. Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the...

Hello. If multiple electronic systems are not working in your vehicle after hitting a bump, it is possible that some serious damage has occurred to the vehicle that will need to be checked. I would recommend having a mechanic assess...

All these codes point to engine misfires. You should pull the spark plug wires (https://www.yourmechanic.com/services/ignition-cable-spark-plug-wires-replacement) to see if oil is on the spark plug wires causing the misfire. You would need to replace the valve cover gaskets (https://www.yourmechanic.com/services/valve-cover-gasket-replacement) and spark...

A lot of people have a misconception about traction control. Traction control is not a system of its own, it has no module no parts no wires. It is actually an agreement if you will between different systems on your...