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Home >> Ford >> 2005 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Controls - Description And Operation - (Hybrid)) >> Powertrain Control Software >> Vehicle Speed Functional Overview >> Vehicle Speed From The Transaxle Control Module (TCM)

Vehicle Speed From The Transaxle Control Module (TCM)

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The TCM calculates traction motor speed from the traction motor shaft speed sensor and combines it with (PCM stored) tire size and axle ratio data to determine vehicle speed. This calculation is than sent to the PCM over the communication network.