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Add additional key fob | JLR PEPS‑RFA Key Programming Service
Add Additional Key Fob | JLR OEM PEPS‑RFA Smart‑Key Enrolment & DoIP Programming
Our Add Additional Key Fob Service delivers dealer‑level smart‑key enrolment for modern Jaguar and Land‑Rover vehicles. Many owners require a spare or third key fob for household users, fleet use or lease‑vehicle contingency. Modern JLR PEPS (Passive Entry Passive Start) systems store authorised key transponder IDs inside the RFA / KVM keyless module. Generic locksmith tools often trigger anti‑brute‑force counter increments, lock security modules or erase pre‑existing working keys. Our OEM‑aligned DoIP workflow uses official Pathfinder‑compliant procedures. It adds the new key fob into the vehicle’s authorised key list while fully preserving all currently functional original keys and immobiliser security state.
JLR PEPS‑RFA Key‑System Technical Overview
Key Transponder Enrolment & Factory Security Restrictions
The JLR PEPS‑RFA module holds the secure database for all valid smart‑key transponders. Each genuine key fob carries encrypted rolling‑code credentials matched to the vehicle VIN. The system supports a limited maximum number of stored key profiles per vehicle build. To add an additional fob, the new key’s transponder ID must complete secure cryptographic enrolment via DoIP diagnostic session. Simply cutting a physical blade cannot enable passive‑entry or engine start functions. Our pre‑service VIN assessment validates RFA module status, available key slots and correct key‑fob frequency (315 MHz / 433 MHz). We confirm whether you supply a blank genuine fob or require complete hardware‑plus‑programming support.
Core Functional & Security Technical Benefits
Extra Operational Key, Retained Original Keys & Preserved Immobiliser Integrity
Adding a valid additional key fob delivers practical redundancy for daily‑driven JLR vehicles. The newly programmed fob gains full factory functions: passive entry, remote lock‑unlock, tailgate release and push‑button engine start. All pre‑existing working keys remain fully operational after completion. No existing transponder entries get cleared during our enrolment process. The original immobiliser anti‑theft encryption stays untouched. There is no alteration to BCM, gateway or powertrain security logic. Every programmed key follows OEM rolling‑code synchronisation rules for stable day‑to‑day use.
OEM Compliance & Warranty‑Safe Key Programming
Fault‑Free Reversible PEPS‑RFA Enrolment Workflow
This key‑fob addition strictly adheres to official JLR Pathfinder and DoIP security protocols. We execute full pre‑service diagnostic scans for RFA‑KVM, BCM and immobiliser modules. We check anti‑brute‑force counter values before starting any key‑programming sequence. The service only performs authorised transponder enrolment; we never overwrite core RFA firmware. This process generates zero permanent DTC fault‑codes or immobiliser warnings. The key database modification is reversible. You can return to original key count for dealer visits or vehicle resale. Suitable for private, leased and fleet JLR vehicles subject to VIN‑based pre‑validation and at‑least‑one‑working‑key requirement.
Key Technical Features
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Genuine PEPS Key‑Fob Enrolment: Full passive‑entry, remote functions and push‑start for the additional smart‑key fob.
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Preserve All Working Keys : Existing original key fobs remain fully functional with no data loss.
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Hardware‑Aware Service: VIN pre‑check for customer‑supplie
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