P226D

Particulate Filter Deteriorated/Missing Substrate Bank 1

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
Black smoke coming from the exhaust pipe
Activating emergency engine operation

Causes

Physical damage to the diesel particulate filter
No particulate filter
Severely clogged filter
Thermal destruction of the substrate
Malfunction of exhaust gas pressure sensors

How to Fix

Visual inspection of the particulate filter for damage
Checking the pressure in the exhaust system
Diagnostics of exhaust gas pressure sensors
Replacing the diesel particulate filter if necessary
Forced DPF regeneration (if possible)

Related codes

P226E P2463 P2002