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Home >> Dodge and Ram >> 2018 >> Durango Pursuit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (3.6L - DTCS U0125 To U1504) >> DTC Troubleshooting >> U1120-Lost Wheel Distance Message >> Theory Of Operation

Theory Of Operation

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