P2851 FORD - Shift Fork Position Sensor 'A'/'B' Correlation

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Outdated Transmission Control Module (TCM) program (Reprogram TCM)
  • Faulty Transmission Control Module (TCM)
  • Faulty Transmission Assembly

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2851 Ford Description

There are two electric motors used to shift the gears in the transmission, on for gears 1-3-5 and one for gears R-2-4-6. The gear shifting is made by two shift drums connected to shift motor pinion via two ideal gears. The maximum shift force is 1500N (337 lb). The motors are integrated in the Transmission Control Module (TCM) and work independently of each other.
OBDII Code P2851 Ford - Shift Fork Position Sensor 'A'/'B' Correlation - AutoCodes.com

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P2851 FORD Comments

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