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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C0244 or P1689: EBCM Malfunction >> Circuit Description

Circuit Description

Traction Control is simultaneously controlled by the EBCM and the PCM. The PCM sends a DELIVERED TORQUE message via a Pulse Width

Modulated (PWM) signal to the EBCM confirming the delivered torque level for proper Traction Control system operation. The EBCM supplies the pull up voltage.

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