AutoCodes – Generic – P2773

P2773 Code - Four Wheel Drive Low Switch Circuit Low

Quick Answer

The Transmission Control Module (TCM) monitors the Four Wheel Drive Low Switch Circuit signal. Common causes include Faulty Four Wheel Drive Low Switch, Four Wheel Drive Low Switch harness is open or shorted, Four Wheel Drive Low Switch circuit poor electrical connection. 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: P2773 indicates Four Wheel Drive Low Switch Circuit Low.
Common causes: Common causes include Faulty Four Wheel Drive Low Switch, Four Wheel Drive Low Switch harness is open or shorted, Four Wheel Drive Low Switch circuit poor electrical connection.
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 5,661

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 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2773 Description

The Transmission Control Module (TCM) monitors the Four Wheel Drive Low Switch Circuit signal. the TCM sets the OBDII code when the Four Wheel Drive Low Switch Circuit is out of the factory specifications.

OBDII Code P2773 - Four Wheel Drive Low Switch Circuit Low - AutoCodes.com — P2773 Code - Four Wheel Drive Low Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2773?

Faulty Four Wheel Drive Low Switch
Four Wheel Drive Low Switch harness is open or shorted
Four Wheel Drive Low Switch circuit poor electrical connection

How to Fix the DTC P2773?

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 P2773 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 P2773 code?

Need more information on how to fix the P2773 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P2773 Dodge — Four Wheel Drive Low Switch 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.