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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1399 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C1221, C1222, C1223, C1224, C1225, C1226, C1227, C1228, C1232, C1233, C1234, C1235: Wheel Speed Sensor Fault >> Conditions for Setting the DTC >> C1225 through C1228

C1225 through C1228

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The EBCM detects a rapid variation in the wheel speed. The wheel speed changes by 24 km/h (14.9 mph) or more in 0.01 second. The change must occur 5 times with no more than 1 second between occurrences.

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