
Buick Allure BCM clone by Karman Auto is a precise bench-programming workflow for the 2005-2009 Buick Allure (Canadian LaCrosse). Specifically, we read your original failed module, write the data byte-for-byte onto a donor you supply, and then verify the copy before shipping both back. Moreover, your VIN, immobilizer seed, and factory trim coding are preserved exactly. However, you are responsible for sourcing a donor that carries the identical factory part number — we do not sell or swap modules.
Buick Allure 2005-2009 BCM Clone Service — Overview
The Buick Allure is the Canadian-market name for the Buick LaCrosse, built at GM’s Oshawa Car Assembly on the GM W-body platform. The Allure BCM is mechanically identical to the LaCrosse BCM but is coded with Canadian-specific defaults (bilingual DIC, daytime running lamp logic, metric-first cluster) that matter when cloning a donor module.
What This Service Is (And Is Not)
This is a cloning service only. Karman Auto does not sell parts or donor modules. You ship us two BCMs: your original (failed) unit and a donor unit you have sourced with the exact same part number. We read the data from your original, write it byte-for-byte onto your donor, re-read the donor to verify the copy, and ship both modules back to you. The donor becomes a functional replacement for your original.
Common Reasons Buick Allure Owners Replace This BCM
Allure BCM complaints: DRLs that cycle unpredictably, metric cluster that reverts to imperial after a battery disconnect, English-only DIC menus when the customer expects French/English toggle, Passlock III security lamp, and random door-lock actuation. The Allure’s “retained accessory power” timing is also longer than the US LaCrosse and is lost when an uncloned donor is installed.
Platform & Technical Notes
Platform: GM W-body (Grand Prix, Impala, Monte Carlo, LaCrosse family). Module supplier: Delphi. Communication: Class 2 and GMLAN low-speed. Security: Passlock III. Programming tool: GM SPS/TIS2Web with an active subscription. For Canadian-spec Allure vehicles, the subscription alone is not enough — dealer-only regional coding is required to restore bilingual functions, which cloning transfers automatically.
Why Buick Allure Owners Come to Us
We clone your Canadian-spec Allure BCM exactly as delivered: bilingual DIC, metric-primary cluster, Canadian DRL and RAP timings, Passlock III security, VIN, and odometer — written to the donor you supply and verified by re-read.
Common Buick Allure BCM Part Numbers
The BCM on the 2005-2009 Buick Allure is commonly seen in the following part numbers. Your exact part number must match the donor you supply — mixing part numbers will not work even within the same platform family. Check the label on your original BCM before sourcing a donor.
1586804915930055258638992577006825963935259677602594822522687884158244661593290225876449257802001582608825962463
This is a common-numbers reference. If your original carries a number not on this list, that is fine — the requirement is simply that your donor carries the same number as your original.
Shipping Instructions
After you complete checkout, your order receipt will include the shipping address for Karman Auto. Please follow these steps:
- Remove your failed BCM from the vehicle following the factory service information for your 2005-2009 Buick Allure.
- Source a donor BCM with the exact same part number as your original. We cannot substitute part numbers.
- Mark the original module “OLD” clearly with tape, a sticker, or a permanent marker. This tells us which module to read the data from.
- Print your order receipt and enclose it in the shipping box — the receipt contains the return address we will use to ship both modules back to you.
- Pack both modules (original + donor) in anti-static bubble wrap inside a sturdy box. Ship to the address shown on your receipt.
Turnaround
Typical bench time is 24-48 hours from the moment both modules arrive at our shop. Rush service is available on request — contact us before you ship.
How to Order
Add this Buick Allure BCM clone service to your cart and complete checkout. Your receipt will include our shipping address. Ship us your marked original BCM plus a matching-part-number donor with the receipt enclosed. We clone, verify, and return both modules to you.
Related Services & References
Looking for module cloning on other makes? Browse our full module cloning catalog for ECU, cluster, airbag, and immobilizer services across GM, Ford, Chrysler, Volvo, and European platforms. For background on this specific platform, see the Buick LaCrosse/Allure reference. Additionally, if you’re unsure whether your exact part number is supported, contact us first with a photo of the label — we reply the same business day.
Warranty
1:1 Data Transfer Guarantee
Karman Auto guarantees a byte-for-byte 1:1 data transfer from your original BCM onto your supplied donor. We read the original, write the donor, and re-read the donor to verify the copy before shipping. This is the only warranty we offer. We do not warranty the donor hardware, installation, wiring, or any unrelated vehicle issue. You are responsible for sourcing a functional donor with the matching part number.
Common Buick Allure (2005-2009) BCM failure symptoms
- Allure (Canadian-market LaCrosse rebrand) DRL flicker common
- Power lock cycling random
- Headlamp auto-on/off timer broken
- Fault codes B1325, B2960, U1000
- “Service Theft System” warning
- Heated seats cut off
- Driver-side power window auto-up/down lost
- Trunk release dead
- OnStar warning “Service” message
- Power outlet cycling
What causes Buick Allure (2005-2009) BCM module failure
Buick Allure was the Canadian-market rebadge of the Buick LaCrosse (US name) on the W-body platform built at Oshawa Assembly (Canada). BCMs are identical hardware to US LaCrosse but use Canadian-spec brand coding (mandatory DRL). Common failure: water intrusion from windshield seals on 2005-2007 first-batch Oshawa-built units. Internal capacitor aging is well-documented. Other causes: jump-start spikes, accident damage, alternator regulator failure.
Buick Allure (2005-2009) BCM clone — frequently asked questions
Can you clone a 2005-2009 Buick Allure BCM?
Yes. Karman Auto clones every Allure BCM across CX, CXL, CXS, Super trims for 2005-2009. The Allure was the Canadian-market rebadge of the US LaCrosse. 27 years of GM W-body expertise.
Is the Buick Allure the same as the Buick LaCrosse?
Same vehicle, different name for Canadian market (Allure) vs US market (LaCrosse). Canadian “allure” doesn’t have negative connotations like in French it does — that’s why it was renamed for Canada. Same W-body BCM hardware, slight Canadian-spec coding differences (DRL mandate).
Can I use a US LaCrosse BCM as donor for Canadian Allure?
Hardware yes, but coding differs (Canadian DRL spec). Donor MUST be a Canadian-market Allure BCM, not a US LaCrosse, to preserve correct daytime running light behavior.
How long does the Buick Allure BCM clone take?
24-48 hour bench turnaround. USPS Priority shipping back same day.
What fault codes indicate a failed Allure BCM?
B1325, B2960, U1000 (Class 2 bus error). DIC: “Service Theft System”.
What causes Buick Allure BCM failure?
Water intrusion from windshield seals on 2005-2007 Oshawa-Assembly Allures. Internal capacitor aging on first-batch W-body BCMs. Other: jump-start spikes, accident damage.
Will my Allure remote start work after BCM clone (if equipped)?
Yes. Remote start authorization paired to BCM is preserved exactly.
Will my Allure keyless entry fobs work after the clone?
Yes. Fob pairing data preserved byte-for-byte.
Do I need a donor with exact same Allure part number?
Yes. CX, CXL, CXS, and Super trim variants have different part numbers. Verify white sticker.
Can the Allure BCM be cloned from a Pontiac Grand Prix BCM?
No. Same W-body hardware but Pontiac brand coding differs from Buick. Donor must be Allure (or US LaCrosse with Canadian-spec coding reflashed, which is not what cloning does).
Can you clone a water-damaged Allure BCM?
Yes. EEPROM recovery at chip level even on bricked modules.
Does OnStar work on Allure after BCM clone?
Yes. VIN preserved means OnStar reactivates with original Canadian subscription.
Will heated seats work after Allure BCM clone?
Yes. Heated seat relay control preserved in the clone.
Is Buick Allure BCM cloning legal in Canada and the US?
Yes. Module cloning for repair is fully legal in both Canada and all 50 US states.
Why choose Karman Auto over a GM dealer for Allure BCM?
GM Canada dealers can sometimes order new Allure BCMs but the cost is CAD $700-$1,500. Karman Auto clones your donor for $249 USD. 27 years of GM W-body expertise. We ship to Canada via USPS Priority International.

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