AutoCodes – Dodge – P2003 Dodge

P2003 Dodge Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

Quick Answer

The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. Common causes include Faulty, damaged or clogged Diesel Particulate Filter (DPF), Dirty air cleaner element. 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: P2003 Dodge indicates Diesel Particulate Filter Efficiency Below Threshold Bank 2.
Common causes: Common causes include Faulty, damaged or clogged Diesel Particulate Filter (DPF), Dirty air cleaner element.
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 4,534

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 Apr 27, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P2003 Dodge Description

The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. The monitor compares the calculated restriction of the DPF to two thresholds. By exceeding the first threshold for a sufficient period of time, a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time, a wrench light and a MIL will be illuminated and engine output will be limited and EGR is disabled.

OBDII Code P2003 Dodge - Diesel Particulate Filter Efficiency Below Threshold Bank 2 - AutoCodes.com — P2003 Dodge Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

What does this mean?

What are the Possible Causes of the DTC P2003 Dodge?

Faulty, damaged or clogged Diesel Particulate Filter (DPF)
Dirty air cleaner element

How to Fix the DTC P2003 Dodge?

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

To resolve this, you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2003 Dodge 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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Need Help with the Code?

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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.

Frequently Asked Questions about P2003 Dodge Code

What does the OBDII code P2003 mean on a Dodge vehicle?

P2003 indicates that the Diesel Particulate Filter (DPF) on Bank 2 is not functioning efficiently, leading to excessive particulate matter emissions.

What are the common symptoms of code P2003 on a Dodge?

Symptoms may include a check engine light, increased exhaust smoke, reduced fuel efficiency, and possible engine performance issues.

What causes the P2003 code to appear on a Dodge?

Common causes include a clogged or damaged DPF, faulty exhaust sensors, incomplete DPF regeneration, or exhaust leaks.

Can a dirty Diesel Particulate Filter cause the P2003 code?

Yes, a dirty or clogged DPF is one of the most common causes of this code, as it restricts exhaust flow and reduces efficiency.

How can I fix the P2003 code on a Dodge?

Possible fixes include cleaning or replacing the DPF, repairing exhaust leaks, replacing faulty sensors, or addressing issues with the DPF regeneration system.

Is it safe to drive with a P2003 code on my Dodge?

Driving with a P2003 code is not recommended, as it can lead to increased emissions, reduced engine performance, and potential damage to the DPF or other components.

How is the P2003 code diagnosed on a Dodge vehicle?

A technician will use a scan tool to confirm the code, inspect the DPF for clogs or damage, check exhaust sensors, and verify proper DPF regeneration.

Can a faulty exhaust temperature sensor cause the P2003 code?

Yes, a malfunctioning exhaust temperature sensor can provide incorrect data, preventing proper DPF regeneration and triggering the code.

What is DPF regeneration, and how does it relate to the P2003 code?

DPF regeneration is the process of burning off accumulated soot in the filter. If this process fails, it can lead to a clogged DPF and trigger the P2003 code.

How much does it cost to repair the P2003 code on a Dodge?

The cost can range from $100 to over $2,000, depending on whether cleaning, sensor replacement, or a full DPF replacement is needed.