AutoCodes – Dodge – P2002 Dodge

P2002 Dodge Code - Diesel Particulate Filter Efficiency Below Threshold Bank 1

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
P2002 Dodge indicates Diesel Particulate Filter Efficiency Below Threshold Bank 1.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 18,901
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 27, 2020
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Code P2002 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 P2002 Dodge - Diesel Particulate Filter Efficiency Below Threshold Bank 1 - AutoCodes.com
P2002 Dodge Code - Diesel Particulate Filter Efficiency Below Threshold Bank 1

What are the Possible Causes of the DTC P2002 Dodge?

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

How to Fix the DTC P2002 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2002 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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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 P2002 Dodge Code

1. What does the OBDII code P2002 mean on a Dodge vehicle?

P2002 indicates that the Diesel Particulate Filter (DPF) on Bank 1 is not functioning efficiently, typically failing to trap soot particles as expected.

2. What are common symptoms of code P2002 in a Dodge?

Symptoms may include reduced engine performance, increased exhaust smoke, poor fuel efficiency, and the check engine light being illuminated.

3. What causes the P2002 code to appear on a Dodge?

Common causes include a clogged or damaged DPF, faulty sensors (such as the differential pressure sensor), exhaust leaks, or excessive soot buildup due to incomplete combustion.

4. Can I drive my Dodge with a P2002 code?

Driving with a P2002 code is not recommended for extended periods, as it can lead to increased emissions, engine damage, or further DPF issues.

5. How is the P2002 code diagnosed on a Dodge?

A mechanic will use a scan tool to confirm the code, inspect the DPF and related sensors, check for exhaust leaks, and measure the backpressure in the exhaust system.

6. How do you fix a P2002 code on a Dodge?

Repairs may include cleaning or replacing the DPF, replacing a faulty pressure sensor, fixing exhaust leaks, or addressing issues causing excessive soot buildup.

7. Can a clogged DPF trigger the P2002 code on a Dodge?

Yes, a clogged DPF is one of the most common reasons for the P2002 code, as it prevents proper filtration of soot particles.

8. How much does it cost to fix the P2002 code on a Dodge?

Repair costs vary widely, ranging from $200 for sensor replacements to over $2,000 if the DPF needs to be replaced.

9. Can a forced regeneration clear the P2002 code on a Dodge?

Yes, a forced regeneration can often resolve the issue by burning off excess soot in the DPF, but it may not be a permanent fix if underlying issues persist.

10. How can I prevent the P2002 code from recurring on my Dodge?

Regular maintenance, using high-quality diesel fuel, ensuring proper combustion, and driving at highway speeds periodically to allow passive DPF regeneration can help prevent this code.

Discuss the causes and fixes for P2002 Dodge OBDII Code

  • just had that filter changed, a lot of money, the p2002 code only comes up on long drives, it use to cut down on performance but with a new tipm and computer its ran just fine without erasing codes, who knows

  • Thank you for sharing!!

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