Tools & Guides for UK Drivers
Free tools and step-by-step guides to help you understand, maintain, and get the most from your vehicle.
From step-by-step maintenance guides to real-time cost calculators, everything here is free to use with no sign-up required. Browse the knowledge base for practical how-to advice, look up a dashboard warning light or OBD2 fault code, calculate your EV charging costs or upcoming road tax bill, or read the latest UK motoring and automotive news. All resources are written and maintained by the AutoChain team for UK drivers and garage owners.
Knowledge Base
Step-by-step car maintenance guides, buying & selling advice, and garage owner resources.
Browse guides →OBD2 Fault Code Lookup Beta
Search P, B, C, and U diagnostic trouble codes to find descriptions, symptoms, and fixes.
Search codes →EV Charge Calculator
Calculate the cost to charge your electric vehicle at home or at public chargepoints.
Calculate cost →Pay Per Mile Calculator
Estimate your EV or PHEV running costs under the new pay-per-mile road tax from 2028.
Calculate costs →News & Updates
The latest UK automotive news, EV guides, and industry updates from AutoChain.
Read news →