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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 936 (Antilock Brake System And Traction Control System) >> Diagnostic Information and Procedures >> DTC C0235, C0236, C0237 or P0609: Rear Wheel Speed Sensor Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The powertrain control module (PCM) converts the data from the vehicle speed sensor to a 128k pulses/mile signal. The electronic brake control module (EBCM) uses the vehicle speed signal from the PCM in order to calculate the rear wheel speed.

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