AutoCodes – Chrysler – P1406 Chrysler

P1406 Chrysler Code - EGR System Pintle Position Error

Quick Answer

The Exhaust Gas Recirculation (EGR) valve recirculates exhaust gas to the engine intake for increased efficiency, lower fuel consumption, and reduced NOx emissions. Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Faulty Exhaust Gas Recirculation Valve Solenoid, Exhaust Gas Recirculation valve carbon blockage. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1406 Chrysler indicates EGR System Pintle Position Error.
Common causes: Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Faulty Exhaust Gas Recirculation Valve Solenoid, Exhaust Gas Recirculation valve carbon blockage.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 271

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 18, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1406 Chrysler Description

The Exhaust Gas Recirculation (EGR) valve recirculates exhaust gas to the engine intake for increased efficiency, lower fuel consumption, and reduced NOx emissions. The valve changes the air's chemical makeup by adding exhaust gas, which dilutes the mixture and lowers combustion temperatures, resulting in less NOx production. The valve has two primary settings: open and closed, depending on the engine's power requirements. EGR valves can also improve combustion efficiency, reduce pumping losses, and decrease diesel knock at idle.
The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects EGR flow or movement when it is not expected.

OBDII Code P1406 Chrysler - EGR System Pintle Position Error - AutoCodes.com — P1406 Chrysler Code - EGR System Pintle Position Error

What does this mean?

What are the Possible Causes of the DTC P1406 Chrysler?

Faulty Exhaust Gas Recirculation (EGR) Valve
Faulty Exhaust Gas Recirculation Valve Solenoid
Exhaust Gas Recirculation valve carbon blockage

How to Fix the DTC P1406 Chrysler?

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 P1406 Chrysler 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.