AutoCodes – Jeep – P0660 Jeep

P0660 Jeep Code - Manifold Tune Solenoid Circuit Condition

Quick Answer

The Engine Control Module (ECM) continuously monitors the Intake Manifold Tuning Valve (IMTV) system during the Key ON engine OFF or key ON engine running self-test. Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve 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: P0660 Jeep indicates Manifold Tune Solenoid Circuit Condition.
Common causes: Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve 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 4,409

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 Dec 14, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
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Code P0660 Jeep Description

The Engine Control Module (ECM) continuously monitors the Intake Manifold Tuning Valve (IMTV) system during the Key ON engine OFF or key ON engine running self-test. The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module detects an improper signal from the Intake Manifold Tuning Valve.

OBDII Code P0660 Jeep - Manifold Tune Solenoid Circuit Condition - AutoCodes.com — P0660 Jeep Code - Manifold Tune Solenoid Circuit Condition

What does this mean?

What are the Possible Causes of the DTC P0660 Jeep?

Faulty Intake Manifold Tuning Valve (IMTV)
Intake Manifold Tuning Valve harness is open or shorted
Intake Manifold Tuning Valve circuit poor electrical connection

How to Fix the DTC P0660 Jeep?

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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0660 Jeep 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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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.