AutoCodes – Generic – P2790

P2790 Code - Gate Select Direction Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Gate Select Direction Circuit signal. Common causes include Defective Range Sensor, Faulty Transmission Shifter, Transmission Shifter harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P2790 indicates Gate Select Direction Circuit.
Common causes
Common causes include Defective Range Sensor, Faulty Transmission Shifter, Transmission Shifter harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 5,241
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 15, 2019
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Code P2790 Description

The Transmission Control Module (TCM) monitors the Gate Select Direction Circuit signal. The TCM sets the OBDII code when the Gate Select Direction Circuit signal is out of factory specifications.
OBDII Code P2790 - Gate Select Direction Circuit - AutoCodes.com
P2790 Code - Gate Select Direction Circuit

What are the Possible Causes of the DTC P2790?

  • Defective Range Sensor
  • Faulty Transmission Shifter
  • Transmission Shifter harness is open or shorted
  • Transmission Shifter circuit poor electrical connection

How to Fix the DTC P2790?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2790 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2790 code?

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Need Help with the Code?

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Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2790 Code

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