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Home >> Jeep >> 2021 >> Compass Altitude, FWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P2AF6 To U1504 >> DTC Troubleshooting >> U1110-Lost Vehicle Speed Message >> Theory Of Operation
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Theory Of Operation

The Powertrain Control Module (PCM) receives wheel speed and wheel distance CAN C bus messages from the Anti-Lock Brake System (ABS) module.