P243C

Particulate Filter Regeneration Frequency Bank 2

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Increased fuel consumption
Reduced engine power
Frequent DPF regeneration cycles
Check Engine Light Illuminated
Possible black smoke from the exhaust pipe

Causes

Diesel Particulate Filter (DPF) clogged
Malfunction of pressure sensors in the DPF system
Problems with the fuel system (injectors, injection pump)
Low fuel quality
Exhaust gas recirculation (EGR) system malfunction

How to Fix

Check the condition of the particulate filter
Diagnose DPF pressure sensors
Check the fuel system for leaks or malfunctions
Clean or replace the particulate filter if necessary
Check the operation of the EGR system

Related codes

P243B P243D P244A