Auto Locksmith Vauxhall Anglesey — Keys & Programming
Lost Vauxhall keys, locked out of your Astra or Corsa, Vauxhall remote not working, or need a Vauxhall key programmed on Anglesey? Michael specialises in Vauxhall PCF7935 and ID46 transponder systems — covering Astra, Corsa, Insignia, Vivaro, Movano and all other Vauxhall models. Call 07553 030134 for a fixed price before Michael sets off.
Vauxhall Problem on Anglesey?
Tell us your Vauxhall model and fault — Michael will confirm and give a fixed price.
Vauxhall Keys & Remote Locking — Why Astra and Corsa Are Anglesey's Most Attended Makes
Vauxhall Astra and Corsa are consistently the most common makes for remote locking and transponder faults on Anglesey. Both have been among the UK's top-selling cars for decades, and the specific transponder system used — the PCF7935 chip — has a well-documented weakness: it is susceptible to water damage. A key submerged in a washing machine, exposed to sea air or left in a coat pocket in heavy rain can lose its transponder pairing, leaving the car unlockable remotely and occasionally unstarting.
Michael attends more Vauxhall jobs on Anglesey than any other make except Ford. The Vauxhall Astra alone — particularly around Llangefni, Holyhead and Amlwch where older Astras are most concentrated — accounts for a significant proportion of his monthly callouts. Both remote locking faults (where the fob stops working but the physical key still starts the car) and full transponder faults (where the car won't start at all) are attended.
Newer Vauxhall models (Astra K and later, Crossland, Grandland, Mokka B) use the ID46 transponder — a more secure system, but still one Michael's equipment covers on site via OBD-II without a dealer visit.

Example Job — Llangefni, Anglesey
Vauxhall Astra — Llangefni (Water-Damaged Transponder)
A Vauxhall Astra owner in Llangefni had remote locking stop working after the key was accidentally submerged. On-site diagnosis confirmed a water-damaged PCF7935 transponder chip. A replacement key was cut and programmed to the ECU on site the same afternoon. Remote locking confirmed working on all doors before Michael left. Vauxhall Astra water-damaged transponder is one of the single most common callout types on Anglesey.
Which Transponder Chip Does Your Vauxhall Use?
Vauxhall's transponder system has changed across generations. The chip determines which programming method is needed:
| Model / Gen | Chip | Notes |
|---|---|---|
| Astra G (1998–2004) | PCF7931 | Older fixed-code transponder. Barrel wear common on high-mileage Astra G. Cloning possible on most models. |
| Astra H (2004–2010) | PCF7935 | Most common Vauxhall on Anglesey. PCF7935 is water-sensitive. Remote locking fault on submerged keys most frequent callout. |
| Astra J (2009–2015) | PCF7935 / ID46 | Early Astra J uses PCF7935. Later Astra J switches to ID46. Both covered on site via OBD. |
| Astra K (2015–2021) | ID46 / ID47 | ID46 on most Astra K variants. OBD programming. All-keys-lost requires SERMI authorisation. |
| Corsa D (2006–2014) | PCF7935 | PCF7935 — same water-damage risk as Astra H. Most common Vauxhall after Astra on Anglesey. OBD and remote programming. |
| Corsa E / F (2014+) | ID46 / ID47 | Corsa E and F use ID46/47. Newer Corsa F also uses smart key proximity variants. |
| Insignia A / B | ID46 / Hitag | Insignia A uses ID46. Insignia B (Grandland platform) uses newer HITAG system. Both covered. |
| Vivaro / Movano (van) | PCF7935 / ID46 | Vivaro A/B = PCF7935. Vivaro C = ID46. Movano B = PCF7935. All van lockouts and lost keys attended. |
| Mokka / Crossland / Grandland | ID46 / ID47 | Newer Vauxhall crossovers use ID46 or ID47. OBD programming. Call with registration to confirm variant. |
Vauxhall remote not working? A Vauxhall key that unlocks manually but won't lock or unlock remotely is likely a PCF7935 transponder fault — not a battery issue. Call 07553 030134 for same-day diagnosis and repair across Anglesey.
Every Vauxhall Model Michael Covers on Anglesey
Transponder chip shown for each Vauxhall model and generation. Key programming, lost keys, fob repair and lockouts all available. Call with your registration to confirm before Michael sets off.
2004–2010. Most common Vauxhall on Anglesey. Water-damaged transponder is the #1 callout. OBD programming, same-day repair.
2009–2015. Early models use PCF7935, later use ID46. Both covered on site. Remote locking and all-keys-lost both attended.
2015–2021. ID46 system. OBD programming. SERMI required for all-keys-lost. Smart key variants on some models.
2006–2014. Same PCF7935 as Astra H. Second most common Vauxhall callout on Anglesey. Water damage and remote fault both attended.
2014+. Corsa E and F use ID46/47. Proximity smart key on some Corsa F models. OBD programming on all variants.
Insignia A = ID46. Insignia B = HITAG. Both covered on site. Common fleet and company car on Anglesey.
Vivaro A and B use PCF7935. Lockout and lost keys both attended. Common trades van on Anglesey, particularly Caernarfon Cibyn Estate.
2019+ Vivaro C uses ID46. OBD programming. Van lockouts attended at industrial estates across Anglesey and Gwynedd.
Movano B large van uses PCF7935. Attended at farms and commercial properties across Anglesey. Lost key and lockout both covered.
Mokka A and B use ID46/47 system. Crossover SUV popular across Anglesey. OBD programming on site. Smart key variants confirmed by registration.
PSA-platform Vauxhall crossovers. ID47 transponder. All-keys-lost with SERMI authorisation. Confirmation by registration before attending.
Zafira B = PCF7935. Zafira C = ID46. Family MPV common in residential Anglesey. Remote locking and spare key both attended.
Example Job — Vauxhall Astra, Bangor
A Vauxhall Astra owner in Bangor had an engine management light on for three weeks with no drivability issue. A previous attempt to clear it at a general garage had failed. Michael connected dealer-level diagnostics on site, identified a crankshaft position sensor fault code with the specific OBD reference, and provided the owner with exact fault data for their mechanic — saving an expensive investigation. Vauxhall ECU fault diagnosis is available alongside all key services.
Every Service Available for Your Vauxhall
All services available for Vauxhall cars and vans across Anglesey and Gwynedd. Michael attends at your location — supermarket car park, home driveway or roadside. ECU diagnostics in blue as secondary to core key services.
Vauxhall Car & Van Lockout
Non-destructive entry for all Vauxhall cars and vans. Astra, Corsa, Vivaro, Movano.
Lost Vauxhall Keys
New Vauxhall key produced from VIN. SERMI registered. Old codes deleted on all models.
Vauxhall Key Replacement
Replacement key cut and programmed on site. PCF7935, ID46 and ID47 all covered.
Vauxhall Spare Key
Spare Vauxhall key programmed alongside your existing key. Astra, Corsa, Vivaro.
Vauxhall Remote Fob Repair
Vauxhall remote not working? PCF7935 water damage, button contact or re-pairing — diagnosed and repaired on site.
Vauxhall Transponder Programming
PCF7935, ID46 and ID47 programming via OBD on site. All Vauxhall generations covered.
Vauxhall Broken Key Extraction
Vauxhall key snapped in door or ignition. Extracted without lock damage. Replacement cut same visit.
Vauxhall ECU Diagnostics
Vauxhall warning lights and EML diagnosed with dealer-level equipment. Crankshaft, MAF and immobiliser codes read.
Anglesey's Vauxhall PCF7935 & ID46 Specialist
- Vauxhall is Michael's most-attended make after Ford — Astra and Corsa PCF7935 remote locking and transponder faults are the most common non-Ford callout on Anglesey, particularly around Llangefni and Holyhead.
- Water-damaged PCF7935 specialist — the specific Vauxhall failure mode most common on the island. Michael carries PCF7935 blanks and replacement transponder chips on board. Same-day repair.
- SERMI registered — legally authorised for Vauxhall all-keys-lost jobs on any model including ID46 Astra K and Corsa E/F.
- Vauxhall van specialist — Vivaro A/B (PCF7935) and Vivaro C (ID46) lockouts and lost keys attended. Movano B covered. Common at Cibyn Industrial Estate and Holyhead commercial areas.
- Fixed price before Michael sets off — no call-out fee. Confirmed for your specific Vauxhall model before departure from Pentraeth. Same-day response across Anglesey.
- 685+ reviews at 5.0 — including many from Vauxhall Astra and Corsa owners across Anglesey. About Michael →
Trusted by Vauxhall Drivers Across Anglesey
685 genuine Google reviews at 5.0 — from Vauxhall owners across Anglesey and Gwynedd. Every review publicly visible before you call.
View all reviews on Google Maps →EXCELLENT Based on 685 reviews Posted on Google Dean StrathieTrustindex verifies that the original source of the review is Google. Third time using Shane at Anglesey locksmith. Fast efficient service highly knowledgeable , offers lots of other services too. Will always use Shane and recommend him for keys replacements and lock outs and promgramming etcPosted on Google Llinos Ellen ParryTrustindex verifies that the original source of the review is Google. Thank you so much for 2 set of keys very appreciate, definitely would recommend 😊Posted on Google Rio PennyTrustindex verifies that the original source of the review is Google. Quick service reliable everything worked straight away. Definitely recommend.Posted on Google Ashley RojasTrustindex verifies that the original source of the review is Google. Brilliant service, easy communication, very helpful from start to end and Michael is just very professional. Came out early to work around my working shifts, very appreciativePosted on Google R.jacksonTrustindex verifies that the original source of the review is Google. Highly recommended sorted my bmw and discovery out for me todayPosted on Google Paige LeighTrustindex verifies that the original source of the review is Google. Great service ! would recommendPosted on Google Sue FinleyTrustindex verifies that the original source of the review is Google. Phoned ,said he was there if I could get the part to him,done in a few hourPosted on Google owain rhys thomasTrustindex verifies that the original source of the review is Google. Messaged Michael at Anglesey auto locksmith to make me a spare key for my pickup. He responded straight away and fitted me in that day. Very professional and highly recommended for speedy service. Will definitely use againVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Vauxhall Auto Locksmith — Questions Answered
Common questions from Vauxhall drivers on Anglesey and Gwynedd — including PCF7935 water damage and remote locking faults.
Call Michael → Full FAQ page →What transponder chip does my Vauxhall use?+
My Vauxhall remote locking has stopped working. Is that a PCF7935 fault?+
Can you fix a Vauxhall key damaged by water on Anglesey?+
Do you cover Vauxhall Vivaro and Movano vans?+
Can you do a Vauxhall all-keys-lost job on Anglesey?+
Which Vauxhall models have proximity or smart key access?+
Don't Drive a Vauxhall? Michael Covers These Too
Michael covers 26+ makes on Anglesey and Gwynedd. Click your make for model-specific information.
Vauxhall Problem on Anglesey? Call Michael
Vauxhall PCF7935 and ID46 specialist. Water-damaged keys, remote locking faults, lost Astra/Corsa keys and van lockouts across Anglesey and Gwynedd. Fixed price before Michael sets off — no call-out fee.