Some of the most asked questions are about DPF Fault Codes and DPF Fault Code clearing. The Valley Filters DPF cleaning service is available for most makes and models of vehicles in Ireland. If your car is reporting any of the DPF fault codes in the list below, Valley filters can help. If your diesel vehicle isn’t on the list below, we may still be able to clean your DPF. Submit the Quick Inquiry form with your details or phone 042-966-2365 for more help and advice.
| MAKE | DPF FAULT CODE | DESCRIPTION |
|---|---|---|
| Alfa Romeo | DPF Fault Codes | |
| Alfa Romeo | P2002 | Particle Filter Bank 1: Malfunction |
| Alfa Romeo | P2003 | Particulate Trap Efficiency Below Threshold |
| Alfa Romeo | P242F | Diesel Particular Filter Restriction |
| Alfa Romeo | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Alfa Romeo | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Alfa Romeo | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Audi | DPF Fault Codes | |
| Audi | 18434/P2002/008194 | Particle Filter Bank 1: Malfunction |
| Audi | 18884/P2452/009298 | Diesel Particle Filter Differential Pressure Sensor: Elect. Malfunction |
| Audi | 18885/P2453/009 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Audi | 18895/P2463/009315 | Diesel Particle Filter: Excessive Soot Accumulation |
| Audi | P242F/009263 | Diesel Particulate Filter (Bank 1): Restricted/Clogged |
| Audi | P2002 | Particle Filter Bank 1: Malfunction |
| Audi | P2003 | Particulate Trap Efficiency Below Threshold |
| Audi | P242F | Diesel Particular Filter Restriction |
| Audi | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Audi | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Audi | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| BMW | DPF Fault Codes | |
| BMW | P2002 | Particle Filter Bank 1: Malfunction |
| BMW | P2003 | Particulate Trap Efficiency Below Threshold |
| BMW | P242F | Diesel Particular Filter Restriction |
| BMW | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| BMW | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| BMW | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Chevrolet | DPF Fault Codes | |
| Chevrolet | P2002 | Particle Filter Bank 1: Malfunction |
| Chevrolet | P2003 | Particulate Trap Efficiency Below Threshold |
| Chevrolet | P242F | Diesel Particular Filter Restriction |
| Chevrolet | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Chevrolet | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Chevrolet | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Chrysler | DPF Fault Codes | |
| Chrysler | P2002 | Particle Filter Bank 1: Malfunction |
| Chrysler | P2003 | Particulate Trap Efficiency Below Threshold |
| Chrysler | P242F | Diesel Particular Filter Restriction |
| Chrysler | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Chrysler | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Chrysler | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Citroen | DPF Fault Codes | |
| Citroen | P2002 | Particle Filter Bank 1: Malfunction |
| Citroen | P2003 | Particulate Trap Efficiency Below Threshold |
| Citroen | P242F | Diesel Particular Filter Restriction |
| Citroen | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Citroen | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Citroen | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Dodge | DPF Fault Codes | |
| Dodge | P2002 | Particle Filter Bank 1: Malfunction |
| Dodge | P2003 | Particulate Trap Efficiency Below Threshold |
| Dodge | P242F | Diesel Particular Filter Restriction |
| Dodge | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Dodge | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Dodge | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Fiat | DPF Fault Codes | |
| Fiat | P2002 | Particle Filter Bank 1: Malfunction |
| Fiat | P2003 | Particulate Trap Efficiency Below Threshold |
| Fiat | P242F | Diesel Particular Filter Restriction |
| Fiat | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Fiat | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Fiat | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Ford | DPF Fault Codes | |
| Ford Focus 1.6 TDCI | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Ford | P2002 | Particle Filter Bank 1: Malfunction |
| Ford | P2003 | Particulate Trap Efficiency Below Threshold |
| Ford | P242F | Diesel Particular Filter Restriction |
| Ford | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Ford | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Ford | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Honda | DPF Fault Codes | |
| Honda | P2002 | Particle Filter Bank 1: Malfunction |
| Honda | P2003 | Particulate Trap Efficiency Below Threshold |
| Honda | P242F | Diesel Particular Filter Restriction |
| Honda | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Honda | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Honda | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Hyundai | DPF Fault Codes | |
| Hyundai | P2002 | Particle Filter Bank 1: Malfunction |
| Hyundai | P2003 | Particulate Trap Efficiency Below Threshold |
| Hyundai | P242F | Diesel Particular Filter Restriction |
| Hyundai | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Hyundai | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Hyundai | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Iveco | DPF Fault Codes | |
| Iveco | P2002 | Particle Filter Bank 1: Malfunction |
| Iveco | P2003 | Particulate Trap Efficiency Below Threshold |
| Iveco | P242F | Diesel Particular Filter Restriction |
| Iveco | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Iveco | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Iveco | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Jaguar | DPF Fault Codes | |
| Jaguar | P2002 | Particle Filter Bank 1: Malfunction |
| Jaguar | P2003 | Particulate Trap Efficiency Below Threshold |
| Jaguar | P242F | Diesel Particular Filter Restriction |
| Jaguar | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Jaguar | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Jaguar | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Kia | DPF Fault Codes | |
| Kia | P2002 | Particle Filter Bank 1: Malfunction |
| Kia | P2003 | Particulate Trap Efficiency Below Threshold |
| Kia | P242F | Diesel Particular Filter Restriction |
| Kia | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Kia | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Kia | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Lancia | DPF Fault Codes | |
| Lancia | P2002 | Particle Filter Bank 1: Malfunction |
| Lancia | P2003 | Particulate Trap Efficiency Below Threshold |
| Lancia | P242F | Diesel Particular Filter Restriction |
| Lancia | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Lancia | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Lancia | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Land Rover | DPF Fault Codes | |
| Land Rover | P2002 | Particle Filter Bank 1: Malfunction |
| Land Rover | P2003 | Particulate Trap Efficiency Below Threshold |
| Land Rover | P242F | Diesel Particular Filter Restriction |
| Land Rover | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Land Rover | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Land Rover | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Mazda | DPF Fault Codes | |
| Mazda | P2002 | Particle Filter Bank 1: Malfunction |
| Mazda | P2003 | Particulate Trap Efficiency Below Threshold |
| Mazda | P242F | Diesel Particular Filter Restriction |
| Mazda | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Mazda | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Mazda | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Mercedes | DPF Fault Codes | |
| Mercedes | P2002 | Particle Filter Bank 1: Malfunction |
| Mercedes | P2003 | Particulate Trap Efficiency Below Threshold |
| Mercedes | P242F | Diesel Particular Filter Restriction |
| Mercedes | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Mercedes | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Mercedes | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Mini | DPF Fault Codes | |
| Mini | P2002 | Particle Filter Bank 1: Malfunction |
| Mini | P2003 | Particulate Trap Efficiency Below Threshold |
| Mini | P242F | Diesel Particular Filter Restriction |
| Mini | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Mini | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Mini | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Mitsubishi | DPF Fault Codes | |
| Mitsubishi | P2002 | Particle Filter Bank 1: Malfunction |
| Mitsubishi | P2003 | Particulate Trap Efficiency Below Threshold |
| Mitsubishi | P242F | Diesel Particular Filter Restriction |
| Mitsubishi | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Mitsubishi | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Mitsubishi | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Nissan | DPF Fault Codes | |
| Nissan | P1435 | DPF Re-generation (CRNT) |
| Nissan | P1436 | DPF Re-generation (CRNT) |
| Nissan | P2002 | Particle Filter Bank 1: Malfunction |
| Nissan | P2003 | Particulate Trap Efficiency Below Threshold |
| Nissan | P242F | Diesel Particular Filter Restriction |
| Nissan | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Nissan | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Nissan | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Opel | DPF Fault Codes | |
| Opel | P2002 | Particle Filter Bank 1: Malfunction |
| Opel | P2003 | Particulate Trap Efficiency Below Threshold |
| Opel | P242F | Diesel Particular Filter Restriction |
| Opel | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Opel | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Opel | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Peugeot | DPF Fault Codes | |
| Peugeot | P1429 | Diesel Particulate Filter Pressure |
| Peugeot | P1400 | DPFE circuit Low input |
| Peugeot | P1401 | DPFE circuit High input |
| Peugeot | P1405 | DPFE sensor upstream Hose off or plugged |
| Peugeot | P2002 | Particle Filter Bank 1: Malfunction |
| Peugeot | P2003 | Particulate Trap Efficiency Below Threshold |
| Peugeot | P242F | Diesel Particular Filter Restriction |
| Peugeot | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Peugeot | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Peugeot | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Porsche | DPF Fault Codes | |
| Porsche | P2002 | Particle Filter Bank 1: Malfunction |
| Porsche | P2003 | Particulate Trap Efficiency Below Threshold |
| Porsche | P242F | Diesel Particular Filter Restriction |
| Porsche | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Porsche | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Porsche | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Renault | DPF Fault Codes | |
| Renault | P242F | Diesel Particular Filter Restriction |
| Renault | P2002 | Particle Filter Bank 1: Malfunction |
| Renault | P2003 | Particulate Trap Efficiency Below Threshold |
| Renault | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Renault | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Renault | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Saab | DPF Fault Codes | |
| Saab | P2002 | Particle Filter Bank 1: Malfunction |
| Saab | P2003 | Particulate Trap Efficiency Below Threshold |
| Saab | P242F | Diesel Particular Filter Restriction |
| Saab | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Saab | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Saab | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Seat | DPF Fault Codes | |
| Seat | 18434/P2002/008194 | Particle Filter Bank 1: Malfunction |
| Seat | 18884/P2452/009298 | Diesel Particle Filter Differential Pressure Sensor: Elect. Malfunction |
| Seat | 18885/P2453/009 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Seat | 18895/P2463/009315 | Diesel Particle Filter: Excessive Soot Accumulation |
| Seat | P242F/009263 | Diesel Particulate Filter (Bank 1): Restricted/Clogged |
| Seat | P2002 | Particle Filter Bank 1: Malfunction |
| Seat | P2003 | Particulate Trap Efficiency Below Threshold |
| Seat | P242F | Diesel Particular Filter Restriction |
| Seat | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Seat | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Seat | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Skoda | DPF Fault Codes | |
| Skoda | 18434/P2002/008194 | Particle Filter Bank 1: Malfunction |
| Skoda | 18884/P2452/009298 | Diesel Particle Filter Differential Pressure Sensor: Elect. Malfunction |
| Skoda | 18885/P2453/009 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Skoda | 18895/P2463/009315 | Diesel Particle Filter: Excessive Soot Accumulation |
| Skoda | P242F/009263 | Diesel Particulate Filter (Bank 1): Restricted/Clogged |
| Skoda | P2002 | Particle Filter Bank 1: Malfunction |
| Skoda | P2003 | Particulate Trap Efficiency Below Threshold |
| Skoda | P242F | Diesel Particular Filter Restriction |
| Skoda | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Skoda | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Skoda | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Subaru | DPF Fault Codes | |
| Subaru | P2002 | Particle Filter Bank 1: Malfunction |
| Subaru | P2003 | Particulate Trap Efficiency Below Threshold |
| Subaru | P242F | Diesel Particular Filter Restriction |
| Subaru | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Subaru | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Subaru | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Suzuki | DPF Fault Codes | |
| Suzuki | P2002 | Particle Filter Bank 1: Malfunction |
| Suzuki | P2003 | Particulate Trap Efficiency Below Threshold |
| Suzuki | P242F | Diesel Particular Filter Restriction |
| Suzuki | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Suzuki | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Suzuki | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Vauxhall | DPF Fault Codes | |
| Vauxhall | P2002 | Particle Filter Bank 1: Malfunction |
| Vauxhall | P2003 | Particulate Trap Efficiency Below Threshold |
| Vauxhall | P242F | Diesel Particular Filter Restriction |
| Vauxhall | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Vauxhall | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Vauxhall | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Volvo | DPF Fault Codes | |
| Volvo | P2002 | Particle Filter Bank 1: Malfunction |
| Volvo | P2003 | Particulate Trap Efficiency Below Threshold |
| Volvo | P242F | Diesel Particular Filter Restriction |
| Volvo | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| Volvo | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| Volvo | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |
| Volkswagen | DPF Fault Codes | |
| VW | 18434/P2002/008194 | Particle Filter Bank 1: Malfunction |
| VW | 18884/P2452/009298 | Diesel Particle Filter Differential Pressure Sensor: Elect. Malfunction |
| VW | 18885/P2453/009 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| VW | 18895/P2463/009315 | Diesel Particle Filter: Excessive Soot Accumulation |
| VW | P242F/009263 | Diesel Particulate Filter (Bank 1): Restricted/Clogged |
| VW | P2002 | Particle Filter Bank 1: Malfunction |
| VW | P2003 | Particulate Trap Efficiency Below Threshold |
| VW | P242F | Diesel Particular Filter Restriction |
| VW | P2452 | Particulate Matter Trap Differential Pressure Sensor Circuit |
| VW | P2453 | Diesel Particle Filter Differential Pressure Sensor: Implausible Signal |
| VW | P2463 | Diesel Particle Filter: Excessive Soot Accumulation |