D - Diagnostics

05 June 2006

Diagnostics - The process by which dealers or garages plug their diagnostic computer into the car's engine-management system to trace and repair faults. If criminals get hold of diagnostic tools, it will jeopardise a car's security, because they may be able to reprogramme all the security settings.


Want to know the difference between your APRs and your PCPs? Our Glossary will guide you through the minefield of car-buying terms.

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