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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 334 (Steering System - General Information) >> Diagnosis And Testing >> Steering System - Hybrid >> Pinpoint Test >> Pinpoint Test F: DTC U2197-Invalid Vehicle Speed Data >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The powertrain control module (PCM) receives a vehicle speed signal from the transaxle control module (TCM). The PCM then sends the vehicle speed signal through the controller area network (CAN) circuit 1908 (WH) and circuit 1909 (BK) to the power steering control module.