Code result
P243C
Particulate Filter Regeneration Frequency Bank 2
Moderate severity
What it means
The DPF on bank 2 needs regeneration more often than calibrated. Possible causes are an oil-burning engine, fuel-injector leak, short-trip operation, or a sensor offset.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Short-trip operation
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P243C freeNo credit card required