P2778 - Upshift Switch Circuit Intermittent/Erratic

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Upshift Switch
  • Upshift Switch harness is open or shorted
  • Upshift Switch circuit poor electrical connection

Possible symptoms

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

P2778 Description

The Engine Control Module (ECM) monitors the Upshift Switch Circuit signal. The ECM sets the OBDII code when the Upshift Switch Circuit signal is out of factory specifications.
OBDII Code P2778 - Upshift Switch Circuit Intermittent/Erratic - AutoCodes.com

P2778 Information for specific makes

  • P2778 DODGE Upshift Switch Circuit Intermittent/Erratic

Need more help?

Get the P2778 code diagnosed by a professional: Find a repair shop in your area

Related Information

P2778 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P2778 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧