Is your Buick Lucerne running rough, stalling, or showing a persistent check engine light? A failing Engine Control Module (ECM) is often the culprit, leading to frustrating performance issues and a loss of driving confidence. The solution is here: a direct-fit, professionally programmed engine computer that restores your vehicle’s performance and reliability. This isn’t just a part; it’s a complete, hassle-free fix to get you back on the road.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing issues like poor fuel economy, erratic engine behavior, harsh shifting, or a no-start condition, your ECM may be failing. This component acts as the ‘brain’ of your engine, and when it malfunctions, the entire system suffers. Our professionally prepared programmed 2006 Buick Lucerne ECM is the definitive answer. It arrives at your door flashed with the latest GM software updates, specifically matched to your vehicle’s unique VIN. This critical step ensures perfect communication between the engine, transmission, and all other onboard systems, eliminating the need for an expensive trip to the dealership for programming.
Features & Tangible Benefits
- โ 100% Plug & Drive: This module is pre-programmed to your car’s exact VIN. Simply install it, and you’re ready to goโno additional flashing or calibration required.
- โ Restored Performance: Regain the smooth acceleration, crisp shifting, and optimal fuel efficiency your Buick was designed to deliver.
- โ Guaranteed Compatibility: This unit is a direct replacement for multiple service numbers, ensuring a perfect match for your vehicle. See the full compatibility list below.
- โ Cost-Effective Repair: Avoid the high costs and scheduling delays of dealership service. This is a smart, effective solution that saves you time and money.
- โ One-Year Replacement Coverage: This unit is backed by our one-year replacement warranty, giving you complete peace of mind with your purchase.
A Word From The Workbench: After two decades of diagnosing vehicle electronics, I’ve seen firsthand how a mismatched computer can create a cascade of new problems. That’s why we don’t just sell parts; we provide solutions. Programming this ECM to your specific VIN isn’t an optional stepโit’s the core of a successful repair. It ensures that every sensor and system operates exactly as the manufacturer intended, restoring not just function, but factory-level reliability. This is the key to a lasting fix.
Verified Vehicle Fitment
This programmed 2006 Buick Lucerne ECM is the correct component for your vehicle and is also interchangeable with the following service numbers: 12590032 12602044 12603530 12605843 12607096 12630457 19210737. Please confirm compatibility with the detailed list below.
COLORADO 08 Electronic Control Module; (RH firewall)
ENVOY 07-08 Electronic Control Module; 5.3L (LH engine)
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 19210737
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
XLR 09 Electronic Control Module; (RH front engine compartment), ID 12607096
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/hybrid
DTS 06 Electronic Control Module
DEVILLE 05 Electronic Control Module; (LH engine compartment), ID 12590032
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12605843
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
LACROSSE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
STS 06 Electronic Control Module; (LH frame rail), 4.4L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12636660
UPLANDER 09 Electronic Control Module; (LH engine compartment), (3.9L)
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 19210737
SAAB 9-7X 07 Electronic Control Module; (LH engine), 8 cylinder
TRAILBLAZER 07 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 19210737
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 12607096
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
RAINIER 07 Electronic Control Module; (LH engine), 5.3L
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 12607096
CTS 06 Electronic Control Module; (RH engine compartment), V-Series, ID 12603530
STS 08 Electronic Control Module; (LH frame rail), 4.6L
G6 06 Electronic Control Module; (LH front engine compartment), ID 12603530
G6 08 Electronic Control Module; (LH front engine compartment), 3.6L
ION 06 Electronic Control Module; 2.4L (opt LE5)
MALIBU 06 Electronic Control Module; 3.9L
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 2.4L, w/hybrid
RELAY 06 Electronic Control Module; (LH engine compartment), 3.9L
VUE 08-09 Electronic Control Module; 2.4L, VIN Z (8th digit, opt LAT)
OUTLOOK 08 Electronic Control Module; (behind fan shroud)
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
VUE 08 Electronic Control Module; 3.6L
VUE 09 Electronic Control Module; 3.6L, VIN 7 (8th digit, opt LY7)
ACADIA 07-08 Electronic Control Module; (behind fan shroud), ID 12607096 (ECM)
AURA 08-09 Electronic Control Module; (RH firewall), 3.6L
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 19210737
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12603530
GRAND PRIX 08 Electronic Control Module; (lower air cleaner box), 5.3L
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
STS 08 Electronic Control Module; (LH frame rail), 4.4L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12590032
ISUZU I-290 08 Electronic Control Module; (RH firewall)
LUCERNE 06 Electronic Control Module; (lower part of air cleaner box), 4.6L
MALIBU 09-10 Electronic Control Module; 2.4L, w/hybrid
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 19210737
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
MONTANA 06 Electronic Control Module; (LH engine compartment), (SV6), 3.9L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 19210737
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12636660
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12602044
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12607096
TRAILBLAZER 09 Electronic Control Module; (LH engine), 4.2L
CANYON 08 Electronic Control Module; (RH firewall)
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
ISUZU I-370 08 Electronic Control Module; (RH firewall)
MALIBU 09 Electronic Control Module; 3.6L
SRX 08 Electronic Control Module; (LH engine compartment), (4.6L)
SAAB 9-7X 08 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
IMPALA 08-09 Electronic Control Module; (lower part of air cleaner box), 5.3L
XLR 06 Electronic Control Module; (RH front engine compartment), 4.4L
XLR 08 Electronic Control Module; (RH front engine compartment)
ENVOY 09 Electronic Control Module; (LH engine), 4.2L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12618163
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 19210737
MONTANA 08-09 Electronic Control Module; (LH engine compartment)
PURSUIT 06 Electronic Control Module; (LH front engine compartment), 2.4L
VUE 10 Electronic Control Module; 3.6L
ACADIA 08 Electronic Control Module; (behind fan shroud), ID 19210737 (PCM)
DTS 08 Electronic Control Module
TERRAZA 06 Electronic Control Module; (LH engine compartment), 3.9L
TRAILBLAZER 07 Electronic Control Module; (LH engine), 6.0L
SAAB 9-7X 08 Electronic Control Module; (LH engine), 6.0L
HUMMER H3 08 Electronic Control Module; (RH firewall)
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 3.6L
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 12607096
UPLANDER 06 Electronic Control Module; (LH engine compartment), 3.9L
Frequently Asked Questions
Do I need to program this ECM myself?
No. The most significant benefit of our service is that this unit arrives fully programmed to your vehicle’s specific VIN. It is a true plug-and-drive solution, saving you the time, cost, and hassle of a dealership visit.
How do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship your part until we have programmed it.
Will this fix my check engine light?
If the check engine light is on due to a faulty ECM, this part is the correct solution. After installation, we recommend clearing all diagnostic trouble codes with a standard OBD-II scanner to reset the system.
What if my original part number is different from 12602044?
This ECM is a direct replacement for several GM service numbers, as listed in the description. As long as your original part number is on our interchange list, this unit will be a perfect, compatible replacement for your vehicle.
Is any other setup required after installation?
In some cases, a security or anti-theft relearn procedure may be required. This is a simple process that can typically be done without special tools and instructions can be readily found for your specific vehicle.
What kind of warranty is included?
Your purchase is protected. This unit is backed by our one-year replacement warranty, ensuring you receive a reliable, quality component.