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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1274 (Anti-Lock Brake System) >> Diagnostic Information and 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

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The RPM signal circuit provides the EBCM with an indication of engine RPM to help determine TCS control methods and rates when a TCS event takes place.

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