AutoCodes – Generic – P2708

P2708 Code - Shift Solenoid 'F' Stuck On

Quick Answer

The Transmission Control System uses six electronically controlled solenoids that allow hydraulic fluid to be applied to various friction elements (clutches), which enables the gear requested. Common causes include Dirty or Low Transmission Fluid, Faulty Shift Solenoid 'F', Shift Solenoid 'F' 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: P2708 indicates Shift Solenoid 'F' Stuck On.
Common causes: Common causes include Dirty or Low Transmission Fluid, Faulty Shift Solenoid 'F', Shift Solenoid 'F' 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 10,237

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 Jan 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2708 Description

The Transmission Control System uses six electronically controlled solenoids that allow hydraulic fluid to be applied to various friction elements (clutches), which enables the gear requested. The continuity of each solenoid circuit is periodically tested. Each inactive solenoid is turned on for a few milliseconds, then off. Each active solenoid is turned off for a few milliseconds, then on. This pulsing of voltage to the solenoid causes an inductive spike which can be sensed by the Transmission Control System. If an inductive spike is not sensed by the Transmission Control System during the continuity check, it is tested again. If the test fails three consecutive times, the appropriate Diagnostic Trouble Code (DTC) is set. If the solenoid test is run in response to a gear ratio or pressure switch error, one failure will result in setting the appropriate DTC.

OBDII Code P2708 - Shift Solenoid 'F' Stuck On - AutoCodes.com — P2708 Code - Shift Solenoid 'F' Stuck On

What does this mean?

What are the Possible Causes of the DTC P2708?

Dirty or Low Transmission Fluid
Faulty Shift Solenoid 'F'
Shift Solenoid 'F' harness is open or shorted
Shift Solenoid 'F' circuit poor electrical connection

How to Fix the DTC P2708?

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 P2708 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.

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Information for Specific Makes

P2708 Dodge — Shift Solenoid 'F' Stuck On

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.