
Originally Posted by
oj88
Common causes would be missing or erroneous tire speed sensor readings from one or more wheel hubs, but checking for DTCs would be a good start. If the issue is local to the traction control system (TCS), like problems with the speed sensors, the codes would likely start with a Cxxxx (Chassis). If the TCS is the problem, you might get a Pxxxx (Powertrain) code, if the ECM is not getting a signal from the TCS.
On the majority of vehicles, the TCS is integrated into the ABS module.