P0816 - Downshift Switch Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
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P0816 Possible Causes

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

How do I fix code P0816

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's pins.

Cost of diagnosing the P0816 code

Labor: 1.0

The cost of diagnosing the P0816 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P0816 Description

The Transmission Control Module (TCM) monitors the Downshift Switch Circuit signal. The TCM sets the OBDII code when the Downshift Switch Circuit signal is not to factory specifications.
OBDII Code P0816 - Downshift Switch Circuit - AutoCodes.com

P0816 More Information

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