P2779 - Downshift Switch Circuit Range/Performance

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

  • Faulty Downshift Switch
  • Downshift Switch harness is open or shorted
  • Downshift Switch circuit poor electrical connection
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P2779 Description

    The Engine Control Module (ECM) monitors the Downshift Switch Circuit signal. The ECM sets the OBDII code when the Downshift Switch Circuit signal is out of factory specifications.
    OBDII Code P2779 - Downshift Switch Circuit Range/Performance - AutoCodes.com

    P2779 Information for specific makes

  • P2779 DODGE Downshift Switch Circuit Range/Performance
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    Related Information

    P2779 Comments

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