P2002 indicates the diesel particulate filter is blocked or failing. UK repair costs and fixes for OBD2 fault code P2002. This guide covers the specific causes, symptoms and fixes for the Toyota Corolla 2004–2018, with UK repair costs.
Toyota Corolla 2.0 D-4D P2002 DPF fault is less common than on European diesel vehicles due to Toyota reliability. When it occurs, a motorway regeneration run is usually effective. Toyota DPF systems are designed for longer service intervals.
The affected engine variants are: 2.0 D-4D. If your Toyota Corolla is showing fault code P2002, use our AI Diagnostic Report for a full UK-specific analysis including the exact repair costs for your engine and year.
While P2002 can have several root causes, the most common reasons this code appears on the Toyota Corolla in UK conditions are related to the specific engine management and emissions systems fitted to this vehicle. Always scan for related fault codes before replacing any parts — a secondary code can point directly to the root cause and save hundreds of pounds.
For the complete diagnosis guide including step-by-step testing procedures, see our main P2002 fault code page.
Typical UK repair costs for P2002 on the Toyota Corolla range from £100 to £1500 depending on the exact cause, your engine variant and whether you use an independent garage or a main dealer. Independent garages are typically 30–50% cheaper than franchised dealers for this type of repair.
Always get at least two quotes. Use our AI Diagnostic Report to understand the most likely cause for your specific Toyota Corolla before spending anything at a garage.
Specific to your Toyota Corolla — year, engine and exact fault.
UK repair costs, MOT advice and step-by-step fix guide. Just £1.59.
An active P2002 fault code on your Toyota Corolla is likely to cause an MOT failure. Under DVSA testing standards, an illuminated check engine light is an automatic MOT failure regardless of how the vehicle drives. You must resolve this fault before your MOT test. Read our full MOT guide for more information.
Last updated: April 2026. Information specific to Toyota Corolla 2004–2018 UK models. AI-Diagnostics-Pro provides AI-generated information for educational purposes. Always consult a qualified mechanic before carrying out vehicle repairs.