P242F

Diesel Particulate Filter Restriction - Ash Accumulation

DTC P242F, sometimes indicated as P242F00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the auxiliary emissions system causing diesel particulate filter restriction - ash accumulation.

The Diesel Particulate Filter Restriction - Ash Accumulation DTC is set when the powertrain control module (PCM) detects a restriction in the diesel particulate filter (DPF) due to ash accumulation.
The most common causes of this DTC are:
-Incorrect fuel type or quality
-DPF regeneration not performed regularly or properly
-Excessive engine loading or lugging
The most common solutions are:
-Inspect the fuel type and quality and make sure it is compatible with the vehicle
-Perform a DPF regeneration according to the manufacturer's instructions
-Reduce engine loading or lugging

P242F: Diesel Particulate Filter Restriction - Ash Accumulation
P242F: Diesel particulate filter (DPF) – blockage/ash accumulation
P242F 00: Diesel particulate filter (DPF) - blockage/ash accumulation

DTC Trouble Code Search

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

18-054-16 - ENGINE (PWS)
RAM: Flash: 6.7l diagnostic and system improvements this bulletin involves reprogramming the engine control module/powertrain control module (ecm/pcm) with the latest available software. **P218F - reductant no flow detected. P242F - diese