AutoCodes – Generic – P2794

P2794 Code - Gear Shift Direction Circuit Low

Quick Answer

The Transmission Control Module (TCM) monitors the Gear Shift 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: P2794 indicates Gear Shift Direction Circuit Low.
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 3,915

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2794 Description

The Transmission Control Module (TCM) monitors the Gear Shift Direction Circuit signal. The TCM sets the OBDII code when the Gear Shift Direction Circuit Circuit signal is out of factory specifications.

OBDII Code P2794 - Gear Shift Direction Circuit Low - AutoCodes.com — P2794 Code - Gear Shift Direction Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2794?

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

How to Fix the DTC P2794?

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 P2794 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 P2794 code?

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Information for Specific Makes

P2794 Dodge — Gear Shift Direction Circuit Low

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.