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Mail-In & Mobile Service

Immobilizer & Key Programming

DFW Mobile and Mail-In programming for shops, rebuilders and independent mechanics.

Mobile service is available in the Dallas / Fort Worth service area. Mail-in accepted nationwide. Every job backed by a 1-year unlimited guarantee.

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Mail-in nationwide or mobile in DFW - quotes returned in under 4 hours.

Immobilizer & Key Programming
BENCH / OEM PROGRAM
Flat-rate pricing - confirmed before any work begins
Quotes are free - no obligation.
Quotes returned in under 4 business hours
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Built around what your shop actually needs.

About this service.

Why Body Shops and Mechanics Choose Core Auto Logic

We are key programming specialists focused on the IMMO and BCM side: VIN-paired transponder enrollment, all-keys-lost initialization on supported platforms, donor key pairing, and module-level recovery when the standard learn procedure fails.

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All-Keys-Lost Supported
AKL initialization on Ford F-150 2021+, many GM, Toyota, Honda and European platforms. We use OEM security access plus chip-level support to enroll a new key from zero - no prior working key required.
AKL
Spare Key + Replacement Fob Programming
Add a spare key, pair a replacement fob or recover from a failed dealer enrollment. Every job ends with a verified start authorization on every key currently in the IMMO list.
PAIR
Module-Level Recovery
When the standard OBD enrollment is locked out (security countdown, bricked IMMO module, donor BCM with wrong key data), we go chip-level: read, modify and write back the IMMO EEPROM directly.
BENCH
Mobile DFW + Mail-In Bench Service
On-site service for live-vehicle key programming across the DFW metro. Mail-in available for module-only work: ship us the IMMO, BCM or ECU and we return it with the IMMO list updated.
DFW mobile Mail-in nationwide AKL supported Module-only OK
DFW + NATIONWIDE
DFW + MAIL-IN

Two Ways to Get Your Immobilizer & Key Programming Done

Ship it to us for bench service, or book a mobile visit if you're in the DFW metro. Either way, the work is guaranteed.

We Come to Your Shop

Vehicle never leaves the lift. Mobile tech arrives with OEM Software and Custom Tools and a J2534 interface.

  1. Schedule a visitOnsite work is typically scheduled within 24-48 hours; same-day may be available
  2. Tech arrives on-siteRoute window confirmed before arrival, full tool kit in the van
  3. Service in-vehicleFlash, VIN pair and adaptation reset on your lift
  4. Verification driveShort drive cycle to verify the work before we leave
COVERAGE
DFW Metroplex
Dallas, Fort Worth, Plano, Arlington, Frisco, Irving
Book On-Site Service

Ship Us the Module

Bench flash + VIN pair + CAN-sim test. Return timing is confirmed in the quote response.

  1. Request intakeSubmit VIN, donor VIN and core info online or by phone
  2. Ship with pre-paid labelWe email a tracked label after quote approval
  3. Bench program & testFull flash, VIN write, adaptation, CAN-sim verify
  4. Tracked returnShipped back insured with QA scan and programming report
TURNAROUND
3-5 business days door-to-door
Bench work after intake and QA
Start a Mail-In Order
PLATFORM INTELLIGENCE

How we plan this service

Reviewed service-source signals help us choose the access path, intake details, and calibration workflow before the job starts.

Immobilizer and key authorization TIER B QUALIFIED PUBLIC

Add-key workflow pre-checks

The immobilizer preview separates add-key support by make, model, and year. We use those rows to check whether an authorized key-add session is a practical first step before module work.

Module family
Key add workflow
Access method
Vehicle-side immobilizer session
Workflow
Add-key planning
What to send

Provide VIN, proof of ownership or repair order, current key count, key type, and whether the vehicle starts with an existing key.

Reviewed service-source signal: 1
Immobilizer and key authorization TIER B QUALIFIED PUBLIC

All-keys-lost planning

All-keys-lost jobs are reviewed by exact vehicle details because some rows depend on generation, module family, PIN/password access, or replacement ECU matching.

Module family
All-keys-lost workflow
Access method
Vehicle-side immobilizer session or module data recovery
Workflow
Security access and recovery planning
What to send

Send VIN, ownership/repair authorization, existing module label photos, current immobilizer DTCs, and any prior locksmith or dealer programming attempts.

Reviewed service-source signal: 1
Immobilizer module data TIER B QUALIFIED PUBLIC

Module-data recovery path

Some immobilizer cases route to EEPROM or flash data handling when vehicle-side authorization is not enough or a module must be recovered before pairing.

Module family
EEPROM and flash data handling
Access method
Bench EEPROM/flash read-write
Workflow
Chip-level immobilizer recovery
What to send

Package the original module dry, include donor module label photos if applicable, and describe no-start, water damage, or no-communication symptoms.

Reviewed service-source signal: 1

Everything covered in this service

Every job is bench-tested, logged and documented. No guesswork, no try-and-see flashes.

All-Keys-Lost (AKL) Programming
KEY
We perform AKL procedures on supported platforms - including Ford F-150 2021+ and many GM, Toyota, Chrysler/Stellantis, and European vehicles - using OEM security access and parameter reset. No existing key required.
Spare Key and Fob Addition
ADD-KEY
Adding a new key to the immobilizer's enrolled list requires a live security-access session. We program proximity keys, traditional transponder keys, and remote-entry fobs.
IMMO Module Reset & Re-Pairing
IMMO
After BCM, ECU, or ignition cylinder replacement, we reset and re-pair the immobilizer module so existing or new keys are recognized for start authorization.
Mobile DFW Service
MOBILE
We come to your location across the DFW Metroplex with OEM-grade diagnostic platforms. Most key programming jobs complete in 45-90 minutes on-site.
Broad Platform Coverage
PLATFORMS
Ford (PATS Gen 3-5), GM (GM Theftlock, Tech2 platforms), Chrysler/Stellantis (SKIM/SKREEM), Toyota/Lexus, Honda/Acura, Hyundai/Kia, Nissan/Infiniti, BMW, Mercedes-Benz, and VAG group.
Key Programming Specialists - Module-Level Work Only
COMPLIANCE
Our work is electronic and software-based - immobilizer reset, transponder enrollment, and module-level key authentication. We are key programming specialists. We do not cut keys, pick locks, or service mechanical lock cylinders.
TOOL CAPABILITY MATRIX

Capable platforms for this work

Platforms used for add-key, all-keys-lost, immobilizer pairing, password extraction, and secure-module replacement workflows.

Ford, Mazda, Lincoln, and Mercury service functions
AFTERMARKET PLATFORM
FORScan Useful on supported Ford-family vehicles; not a replacement for factory programming access.
Supported platforms only
Source basis: FORScan platform support for Ford-family diagnostics and service functions.
Immobilizer and key programming
BENCH PROGRAMMER
Autel IM / Alientech / Autotuner / Orange5 / Scanmatik / Flex / VVDI2 / PCMFlash / CGDI / X-Prog Used for password, key, EEPROM, and immobilizer component workflows where supported.
Coverage varies by platform Tool subscription required Bench/chip-level only
Source basis: Immobilizer and key-programmer manufacturer documentation.
Secure OEM pairing and replacement
OEM SOFTWARE
FDRS / Techstream / GDS2 / wiTECH 2.0 / ODIS / XENTRY When the OEM server authorizes the immobilizer procedure, there is no offline bypass we will advertise.
OEM subscription required OEM subscription required Security gateway access required No practical workaround
Source basis: OEM security and programming service portals.

When Key Programming Is Required

Situations where a transponder, fob or IMMO module needs programming. If the mechanical key cuts and locks all check out, the software side is the next stop.

Engine Cranks But Will Not Start
Vehicle cranks normally but kills fuel after 1-2 seconds. Classic IMMO mismatch - key transponder is not enrolled in the immobilizer module.
All Keys Lost
Original keys destroyed or unrecoverable. AKL initialization on supported platforms enrolls a new key from zero without requiring a previously programmed key.
New Fob Not Recognized
Replacement remote fob unlocks doors but vehicle reports "no key detected" on push-start. Fob needs IMMO enrollment plus PEPS pairing.
Donor Key Locked Out
Used key from another vehicle accepted by IMMO learn but security countdown locks out the procedure. Chip-level reset on the IMMO module clears the countdown.

Common reasons customers book this service

Tap a card to see what triggers this service and which systems are affected.

When all original keys are gone or destroyed, the vehicle cannot be started with a new unprogrammed key. All-keys-lost (AKL) procedures use OEM security access and parameter reset - available on Ford F-150 2021+, many GM, Toyota, and other supported platforms - to initialize a new key from zero without requiring an existing programmed key.
Programming a spare key or replacement fob requires an active security-access session with the vehicle's immobilizer system. Generic on-the-shelf key copies will not start the vehicle - the transponder must be enrolled in the IMMO module.
Replacing the ignition lock cylinder often breaks the IMMO ring antenna pairing. The existing keys must be re-enrolled after ignition service, or the IMMO antenna module must be reprogrammed for the new cylinder.
After a BCM or ECU swap, the existing keys may not be recognized because the immobilizer data is stored in the replaced module. We re-pair the keys to the new module pair using OEM-level security access.
Some vehicles lose fob registration after a prolonged battery drain or body module replacement. We re-pair all remote entry fobs and verify operation of all functions: lock, unlock, panic, and remote start if equipped.
A steady or flashing security/anti-theft indicator at startup usually means a failed transponder read or a PATS fault code. We retrieve the fault, determine if the issue is a key, transponder ring, BCM, or ECU problem, and resolve it programmatically.

From quote to delivery

How we move a job from intake to fully programmed and verified.

  1. Vehicle Information and SituationProvide the VIN, number of existing programmed keys (can be zero for AKL), and a description of the situation. We confirm platform support and quote the programming service within 4 business hours.
    Vehicle Information and Situation - Core Auto Logic immobilizer-key-programming step 1
  2. Schedule On-Site or Drop-OffKey programming requires the vehicle present. For DFW Metroplex locations, we come to you. For customers outside our mobile range, we provide a drop-off location or arrange a tow-in for no-start AKL situations.
    Schedule On-Site or Drop-Off - Core Auto Logic immobilizer-key-programming step 2
  3. Security Access and Key EnrollmentWe connect OEM diagnostic software, obtain security access, and enroll the new or existing keys into the IMMO system. For AKL, we perform the OEM parameter reset sequence to initialize the first key from zero.
    Security Access and Key Enrollment - Core Auto Logic immobilizer-key-programming step 3
  4. Verification and Start ConfirmationWe verify every enrolled key starts the vehicle, all remote functions work, and the security indicator shows normal (not flashing). You leave with a documented list of enrolled keys and any fault codes cleared.
    Verification and Start Confirmation - Core Auto Logic immobilizer-key-programming step 4

Frequently Asked Questions

Yes on supported platforms. All-keys-lost programming uses the OEM security access procedure to reset the immobilizer and enroll a new key from zero. AKL is supported on Ford F-150 2021+ (PATS Gen 5), many GM platforms, Toyota smart-key vehicles, and others. Confirm your platform is supported at quote time.
Sometimes. Aftermarket keys must have the correct transponder chip type for your platform. Proximity (push-button start) keys have additional requirements. We verify compatibility before attempting programming - using an incompatible chip will fail and waste the key. We can supply correct OEM-spec blanks at time of service.
No. We are key programming specialists focused on the electronic side - immobilizer reset, transponder enrollment, and module-level key authentication via OEM diagnostic software. We do not cut keys, pick locks, or service mechanical lock cylinders.
The replacement key was never enrolled in your vehicle's immobilizer. A key that physically turns the ignition will not start the engine unless its transponder chip is registered in the IMMO module. Programming enrolls the new key into the vehicle's security system.
Most add-a-key and fob programming jobs take 30-60 minutes on-site. All-keys-lost procedures take 45-90 minutes depending on the platform and whether the immobilizer module requires a power-down cycle between security access attempts.
Yes. A BCM or ECU swap typically breaks the immobilizer pairing, and existing keys will not start the vehicle until re-enrolled. We re-pair all keys to the replacement module combination as part of the post-swap programming sequence.
// ironclad guarantee

Backed by our 100% guarantee - not a footnote.

Every flash, calibration and programming job is backed by one of the strongest warranties in the industry. If it doesn't work, we fix it. If we can't fix it, you don't pay. Simple.

1-Year Unlimited Miles
Programming covered from the day we ship
No Fix, No Charge
Zero risk to you or your shop
Free Re-Flash
If it needs another pass, it's on us
Direct Tech Line
No ticket queues, no hold music

Ready to get this programmed and out the door?

Ship your module nationwide, or book mobile service in DFW. Most quotes are returned in under 4 business hours.

Start a Mail-In Order Book DFW Mobile Service

Prefer to talk it through? (945) 382-4065 - average answer under 5 minutes.