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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1617 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0221, C0222, C0223, C0225, C0226, C0227: Wheel Speed Sensor Fault >> Conditions for Running the DTC

Conditions for Running the DTC

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C0221 and C0225 

The ignition is ON.

C0222, C0223, C0226 and C0227 

The vehicle speed is greater than 32 km/h (20 mph) when the brake is applied or 19 km/h (12 mph) when the brake is released.