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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Information & Procedures >> DTC C0235: Rear Wheel Speed Signal Circuit Open; C0236: Rear Wheel Speed Signal Circuit Missing; C0237: Rear Wheel Speed Signal Erratic; P1504: Vehicle Speed Output Circuit >> Circuit Description

Circuit Description

The PCM converts the data from the vehicle speed sensor to a 128k pulses/mile signal. The EBCM uses the vehicle speed signal from the PCM in order to calculate the rear wheel speed.

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