Restore Peak Performance to Your 2006 Buick Lucerne
Is your Buick Lucerne or other GM vehicle acting up? If you’re dealing with a persistent check engine light, rough idling, stalling, or a frustrating no-start condition, the problem might be the very brain of your engine: the Engine Control Module (ECM). As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing ECM can cause a cascade of confusing issues. This isn’t just a component; it’s the central command for your vehicle’s performance, fuel economy, and emissions. When it falters, your car simply can’t run the way it was designed to.
This isn’t a generic, one-size-fits-all part. This is a direct-replacement ECM, part number 12607096, that comes fully programmed to your specific vehicle using your VIN. We handle the complex part—flashing the module with the latest GM software updates—before it ever leaves our facility. This means you get a component that is ready for installation right out of the box, eliminating the need for expensive dealership programming or specialized scan tools. It’s the most straightforward, reliable way to solve complex electronic issues and get your car running smoothly again.
A Technician’s Notebook: The Phantom Stall
A customer brought in a 2006 Buick Lucerne with a 4.6L V8 that was driving him crazy. It would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for 20 minutes. There were no consistent trouble codes, just a history of random communication faults (U-codes) and an occasional P0601 Internal Control Module Memory Check Sum Error. We checked grounds, wiring, and power feeds—all solid. After hours of diagnostics, we found that heat soak from the engine was causing an internal failure in the ECM. Once we swapped in a VIN-programmed module, the phantom stalling vanished. It’s a classic example of how a failing 2006 Lucerne Engine Control Module can create intermittent issues that are a nightmare to trace without experience.
Is Your Vehicle Showing These Telltale ECM Failure Signs?
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Erratic shifting or transmission performance problems.
- ✔ Complete no-start or intermittent starting issues.
- ✔ Stored diagnostic trouble codes (DTCs) like P0601, P0606, or U0100.
- ✔ Failure to pass state emissions testing.
A Straightforward Guide to Installation
Installing your new 2006 Lucerne Engine Control Module is a manageable job for a confident DIYer. For the 2006 Lucerne, the ECM is typically located in the lower part of the air cleaner box, making it reasonably accessible.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the ECM: Open the hood and find the air cleaner assembly. The ECM is situated in the lower housing. You will likely need to remove the top part of the air cleaner box to gain access.
- Disconnect the Connectors: Carefully unplug the electrical harness connectors from the old module. These connectors have locking tabs that must be released before they can be pulled free. Avoid forcing them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Seat your new, pre-programmed ECM in the mounting bracket and secure it. Reconnect the electrical harnesses, ensuring they click securely into place.
- Reassemble & Reconnect: Reinstall the air cleaner box and any other components you removed. Finally, reconnect the negative battery terminal. Your vehicle may require a security relearn procedure, which can often be done by cycling the key.
Verified Vehicle Compatibility
This ECM is a direct replacement for service number 12607096 and is also interchangeable with part numbers 12590032, 12602044, 12603530, 12605843, 12630457, and 19210737. Please verify your part number or use the fitment list below to ensure compatibility. Providing your VIN at checkout is essential for correct programming.
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
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is crucial. It allows us to load the exact GM-specified software for your car’s engine, transmission, and options. This ensures perfect communication between modules and restores original factory performance.
Is this a plug-and-play part?
Yes! Because we program the module to your VIN before shipping, it arrives ready to be installed without needing a trip to the dealer for further programming. In some cases, a simple security or idle relearn procedure may be necessary, which can be done without special tools.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM (common codes P0601-P0606), then replacing it with this programmed unit should resolve the issue. However, you should always ensure other potential problems (sensors, wiring) have been ruled out.
How do I find my original part number?
Your ECM’s part number is printed on a sticker directly on the module itself. You can compare it to 12607096 or the other compatible service numbers listed to confirm a match.