OBD Guide

P2003

Particulate Filter Efficiency Below Threshold Bank 2

P2003 is an OBD-II diagnostic trouble code meaning: Particulate Filter Efficiency Below Threshold Bank 2. Common causes: dpf clogged, dpf differential pressure sensor malfunction. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Noticeable increase in exhaust smoke
  • Problems with DPF regeneration

Causes

  • DPF clogged
  • DPF differential pressure sensor malfunction
  • Problems with the regeneration system
  • Malfunction of temperature sensors
  • Mechanical damage to DPF

How to Fix

  1. Check the condition of the particulate filter
  2. Diagnose pressure and temperature sensors
  3. Check the regeneration system
  4. Perform forced DPF regeneration
  5. If necessary, replace the particulate filter

Related codes

Error P2003 by Vehicle Brand

FAQ

What does the P2003 code mean?

P2003 is an OBD-II diagnostic trouble code that indicates: Particulate Filter Efficiency Below Threshold Bank 2

What causes a P2003 error code?

The most common causes of P2003 include: DPF clogged; DPF differential pressure sensor malfunction; Problems with the regeneration system; Malfunction of temperature sensors.

How do I fix a P2003 diagnostic trouble code?

To fix P2003: Check the condition of the particulate filter. Diagnose pressure and temperature sensors. Check the regeneration system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2003?

Do not drive โ€” repair immediately

How much does it cost to fix P2003?

The estimated repair cost for P2003 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat