Restore Peak Performance to Your Vehicle’s Engine
Is your car suffering from a persistent check engine light, erratic performance, or a frustrating no-start condition? As a technician with over two decades of experience, I’ve seen firsthand how a failing Engine Control Module (ECM) can cause a host of mysterious problems that are often misdiagnosed. This isn’t just a component; it’s the brain of your engine, and when it falters, the entire vehicle suffers. This replacement 2008-2009 Allure Engine Control Module is the definitive solution to restore your vehicle’s reliability and performance.
We take the guesswork and hassle out of the repair. Unlike a generic part from a salvage yard, this ECM is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This means it arrives loaded with the latest GM factory software updates, ensuring optimal fuel efficiency, emissions compliance, and engine performance right out of the box. Simply provide your VIN at checkout, and we handle the complex programming for you.
A Technician’s Notebook: The Intermittent Stall Case
I remember a 2008 Buick LaCrosse with the 5.3L V8 that came into the shop with an issue that was driving the owner crazy. It would stall intermittently at red lights, but never stored a consistent trouble code. The owner had already replaced the fuel pump and cleaned the throttle body with no success. After hooking up my scan tool and monitoring live data, I noticed the injector pulse width would randomly drop out for a split second. This pointed to an internal processing fault in the ECM. We installed a VIN-programmed module just like this one, and the problem was solved instantly. It’s a classic example of how a faulty 2008-2009 Allure Engine Control Module can mimic other failures, making a proper diagnosis key.
Is Your Vehicle Showing These Symptoms?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer may be the culprit:
- ✔ Persistent Check Engine Light (CEL)
- ✔ Engine cranks but will not start
- ✔ Rough or unstable idle
- ✔ Sudden stalling or hesitation during acceleration
- ✔ Noticeable decrease in fuel economy
- ✔ Communication error codes, such as P0601, P0606, or U0100
- ✔ Erratic automatic transmission shifting
- ✔ Failure to pass an emissions test
A Straightforward Guide to Installation
Replacing your 2008-2009 Allure Engine Control Module is a job most DIY mechanics can handle with basic tools. Since we program it beforehand, you avoid a costly trip to the dealership.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the Old ECM: On many compatible models like the Buick Allure, the ECM is found attached to the lower air cleaner housing. On other vehicles, it may be on the firewall or frame rail. Check your specific model’s service information for the exact location.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that must be released. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed ECM in place and securely fasten the bolts. Reconnect the electrical harnesses, ensuring they click into place.
- Reconnect Battery: Re-attach the negative battery terminal.
- Perform Security Relearn: Many GM vehicles require a simple security relearn procedure to sync the new ECM with the anti-theft system. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times before starting the engine.
Verified Vehicle Compatibility
This module is a direct replacement for service number 19210737 and is interchangeable with 12590032, 12602044, 12603530, 12605843, 12607096, and 12630457. It fits a wide range of General Motors vehicles. Please verify your specific make, model, year, and engine option in the list below to ensure a perfect fit.
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
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as the programming is essential for it to function in your car.
Is any additional programming required after installation?
No. This ECM comes fully programmed with the latest GM software for your specific vehicle. The only step you may need to perform is a simple security relearn procedure, which does not require any special tools.
Why is a programmed module better than one from a junkyard?
A used module from another vehicle will not work in your car because it is programmed to the original vehicle’s VIN and options. It would require expensive dealer programming. Our module is a clean, reliable part that is programmed specifically for you, ensuring a hassle-free installation.
Will this fix my specific problem?
This module is a direct solution for a failed ECM. While we cannot diagnose your vehicle remotely, the symptoms listed above are strong indicators of ECM failure. For 100% certainty, we always recommend having a qualified mechanic perform a complete diagnostic check.
What if I have the wrong part number?
This module replaces several part numbers, including 19210737, 12607096, 12590032 and more. As long as your vehicle is on the compatibility list and your original part number is one of the interchangeable numbers listed, this part will work for you.