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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (2.0L - DTCS U0429 To U115E) >> DTC Troubleshooting >> U1110-Lost Vehicle Speed 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.