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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 787 (Antilock Brake System With TCVS & VSES) >> Diagnostic Information and Procedures >> DTC C0221 To C0227 (W/O JL4): Wheel Speed Sensor Circuit >> Conditions for Setting the DTC >> C0221 and C0225

C0221 and C0225

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