P1570 BUICK, CADILLAC, CHEVROLET, GMC: CRUISE CONTROL SYSTEM TRACTION CONTROL ACTIVE
POST UPDATED IN January, 2023
P1570 BUICK, CADILLAC, CHEVROLET, GMC: CRUISE CONTROL SYSTEM TRACTION CONTROL ACTIVE
The Traction Control System is designed to prevent loss of traction of the vehicle’s drive wheels. It is initiated when the engine torque and the throttle input are at variance due to road surface conditions.
Through the Traction Control System, the braking applied to several wheels is reinforced, the spark sequence of a cylinder is reduced and the amount of fuel sent to one or more cylinders, the throttle is closed. In turbo vehicles, a solenoid is initiated, which reduces the boost, therefore, the engine power.
Manufacturers such as Buick, Cadillac, Chevrolet, and GMC use the P1570 OBDII diagnostic code to indicate that during engine operation and with Cruise Control enabled, the PCM (Powertrain Control Module) detected that the Traction Control System was activated.
The P1570 OBD2 fault code P1570 is stored for one of the following reasons:
These are the steps to solve the DTC P1570 OBDII code: