P2003

Particulate Filter Efficiency Below Threshold Bank 2

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (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

Check the condition of the particulate filter
Diagnose pressure and temperature sensors
Check the regeneration system
Perform forced DPF regeneration
If necessary, replace the particulate filter

Related codes

P2004 P2002 P2005