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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1947 (Anti-Lock Brake System -- F250-F550 Super Duty) >> Diagnostic Tests >> Pinpoint Tests >> Pinpoint Test D: DTC C1222 - Wheel Speed Mismatch, DTCs C1233 (LF), C1234 (RF), C1236 (Rear) - Wheel Speed Sensor Signal Fault >> Code Description

Code Description

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Wheel Speed Mismatch, DTCs C1222, C1233 (LF), C1234 (RF), C1236 (Rear) - Wheel Speed Sensor Signal Fault

The wheel speed sensor and sensor ring generate a square wave signal to the anti-lock brake system (ABS) module that is proportional to wheel speed. The ABS module compares wheel speed inputs from all wheel speed sensors to determine an impending wheel lockup. Incorrect tire size can set these DTCs as well.

Possible Causes

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