P2781 – High Shift Switch Circuit

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P2781 Possible Causes

  • Faulty kickdown switch
  • Kickdown switch harness is open or shorted
  • Poor electrical connection in kickdown switch circuit

How to Fix Code P2781

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2781 Meaning

The Engine Control Module (ECM) monitors the kickdown switch circuit signal. The ECM sets the OBDII code when the kickdown switch circuit signal is outside factory specifications.

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