P1840 FORD - Transmission Transfer Case Shift Motor Short Circuit To Battery

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

  • Faulty Transmission Transfer Case Shift Motor
  • Transmission Transfer Case Shift Motor harness is open or shorted
  • Transmission Transfer Case Shift Motor circuit poor electrical connection

Possible symptoms

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

P1840 Ford Description

The Transmission Control Module (TCM) monitors the Transmission Transfer Case Shift Motor. The ECM sets the OBDII code when the Transmission Transfer Case Shift Motor is not to factory specifications.
OBDII Code P1840 Ford - Transmission Transfer Case Shift Motor Short Circuit To Battery - AutoCodes.com

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P1840 FORD Comments

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