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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Body Control Module (BCM) - DTCS U0186-87 To U1517-64) >> DTC Troubleshooting >> U1412-86-Implausible Vehicle Speed Signal Received-Signal Invalid >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) receives the vehicle speed signal over the CAN C Bus from the Anti-lock Brake Module.

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