About Hyundai
Hyundai went from budget hatchbacks to award-winning EVs in about twenty years, and the Tucson and i10 are now everywhere. They're dependable and packed with tech, though the smart keys on some models seem to treat 'proximity' as more of a suggestion.
AutoECU helps Hyundai owners with spare and all-keys-lost keys, smart key and push-button start faults, coding and diagnostics, at our Peterborough shop or on your driveway.
Hyundai models & platform codes
UK-market models we commonly work on, with years and the manufacturer's platform / chassis codes. Can't see yours? Ask us, the list isn't exhaustive.
| Model | Years | Code |
|---|---|---|
| Tucson | 2021+ | NX4 |
| Tucson | 2015-2020 | TL |
| ix35 | 2010-2015 | LM |
| Tucson | 2004-2010 | JM |
| Kona | 2023+ | SX2 |
| Kona | 2017-2023 | OS |
| i10 | 2020+ | AC3 |
| i10 | 2014-2019 | IA |
| i10 | 2008-2013 | PA |
| i20 | 2020+ | BC3 |
| i20 | 2015-2020 | GB |
| i20 | 2009-2014 | PB |
| Bayon | 2021+ | BC3 CUV |
| i30 | 2017-2024 | PD |
| i30 | 2012-2017 | GD |
| i30 | 2007-2012 | FD |
| Ioniq 5 | 2021+ | NE |
| Ioniq 6 | 2022+ | CE |
| Ioniq | 2016-2022 | AE |
| Inster | 2024+ | AX |
| Santa Fe | 2024+ | MX5 |
| Santa Fe | 2018-2024 | TM |
| Santa Fe | 2012-2018 | DM |
| Santa Fe | 2006-2012 | CM |
| Santa Fe | 2001-2006 | SM |
| i40 | 2011-2019 | VF |
| ix20 | 2010-2019 | JC |
| Getz | 2002-2011 | TB |
| Matrix | 2001-2010 | FC |
| Coupe | 2002-2009 | GK |
Popular Hyundai coding
- Spare and replacement smart key programming
- Reversing camera retrofit coding
- Auto-folding mirrors and lighting preference changes
- Injector coding on CRDi diesels
- TPMS sensor registration
- Towbar electrics coding on Tucson, Santa Fe and Kona
- Replacement ECU, BCM and smart key module coding
Common Hyundai electronic repairs
- Smart key 'key not detected' and push-button start faults
- Immobiliser faults and no-start on older Getz, i10, i20 and Tucson
- Body control module (BCM) faults affecting locking and lighting
- Infotainment and navigation screen freezes
- Instrument cluster faults and warning lights
- EV and hybrid 12V battery drain and warning faults (Kona Electric, Ioniq)
- Key fob repairs (worn buttons, broken flip mechanisms, cases)
Hyundai keys & fobs
Transponder blade key
Getz, Matrix, Coupe, Santa Fe SM, Tucson JM
Simple to cut and program; a spare saves a lot of hassle later.
Remote flip key (3-4 button)
i10 PA/IA, i20 PB/GB, i30 FD/GD/PD, ix35, ix20, Santa Fe CM/DM, Tucson TL
Flip mechanisms wear; a new shell and blade is often all it needs.
Smart proximity key (3-4 button)
Tucson TL/NX4, Kona OS, i30 PD, Ioniq, Santa Fe DM/TM, i40 (upper trims)
Push-button start; spares and all-keys-lost done through the OBD port.
Smart key (latest gen)
Kona SX2, Ioniq 5, Ioniq 6, Santa Fe MX5, Inster, i10 AC3, i20 BC3
Newer security systems; send us your reg first so we can check support.
Hyundai questions
Can you program a spare Hyundai smart key?
Yes, most Hyundai smart and flip keys can be programmed on site through the OBD port. Proof of ownership is required. Message AutoECU with your reg and we'll confirm.
Why does my Hyundai say 'key not detected'?
It's often a weak fob battery, but it can also be a faulty antenna, smart key module or interference. A quick diagnostic pins it down. AutoECU can check it at your home or work.
I've lost all my Hyundai keys, do I need the dealer?
No. New keys can usually be cut and programmed at your car, without towing it anywhere. Call or WhatsApp AutoECU and we'll talk you through it.
Need something done on your Hyundai?
We'll fill in the make for you. Just add your reg and what's wrong.












































