P2780 - Downshift Switch Circuit Low

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)

P2780 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 P2780 - Downshift Switch Circuit Low - AutoCodes.com

P2780 Information for specific makes

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P2780 Comments

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