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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (2.0L - DTCS U140B To U1831) >> DTC Troubleshooting >> U1412 Implausible Vehicle Speed Signal Received >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

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

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