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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 683 (Anti-Lock Brake System) >> Diagnostic Information & Procedures >> DTC C0221, C0222, C0223, C0225, C0226, C0227: Wheel Speed Sensor Fault >> Conditions for Setting the DTC >> C0221 & C0225

C0221 & C0225

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The EBCM detects an open or shorted wheel speed sensor or wheel speed sensor circuit for 500 milliseconds.