Sometimes. A poorly done remap can void powertrain cover; a supplier-verified, fully reversible map is far less risky. Always check your specific warranty terms first.
It's the first question every UK driver asks before tuning their car — and the honest answer is "it depends, but probably not as badly as you've been told." Here's how warranties actually work with ECU remaps.
Can a dealer detect a remap? — Manufacturer-grade diagnostic tools usually can. Reversible maps mean you can return to factory before a dealer visit.
What about extended warranties? — Aftermarket warranties almost always exclude modified ECUs. Read the small print before tuning.
Bob's Mechanical Repairs — independent family-run garage in Birnam, Dunkeld, Perthshire. Call 01350 727 276 or email [email protected].