Traction Control System (TCS)

When drive wheel slip is detected while the brake is not applied, the electronic brake control module (EBCM) will enter traction control mode. The traction control system (TCS) controls vehicle traction by applying brakes and limiting engine torque to the drive wheels. The EBCM performs the following TCS operations:

• The EBCM requests the engine control module (ECM) to reduce the amount of torque to the drive wheels via serial data messages.
• The ECM reduces torque to the drive wheels by retarding spark timing and throttle actuator control (TAC).
• The ECM reports the amount torque delivered to the drive wheels via serial data messages.
• The EBCM applies brake pressure to the slipping wheel in order to transfer torque to the gripping wheel.