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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (3.6L - DTCS P2138 To U1418) >> Diagnosis And Testing >> U1412-Implausible Vehicle Speed Signal Received >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Dodge Journey. 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 (ABS) module.

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