P243A

Particulate Filter Restriction - Ash Accumulation Bank 2

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Exhaust smoke
Check Engine Light Is On
Problems with DPF regeneration

Causes

Excessive engine oil consumption
Low fuel quality
Frequent short trips without regeneration
Malfunction of the DPF regeneration system
Mechanical wear of the particulate filter

How to Fix

Exhaust system diagnostics
Forced DPF regeneration
Cleaning the particulate filter with special means
Replacing the diesel particulate filter if it is heavily worn
Checking the engine lubrication system

Related codes

P242F P243B P244A