Restore Peak Performance to Your GM Vehicle
Is your 2010-2011 Chevrolet Traverse or other GM 3.6L vehicle suffering from baffling electrical gremlins, poor performance, or a persistent Check Engine Light? A failing Engine Control Module (ECM) is often the culprit. As the brain of your engine, a faulty ECM can cause a cascade of problems that are frustrating to diagnose and expensive to fix at a dealership. This direct-fit replacement ECM, part number 12617230, is the reliable, cost-effective solution you need to get your vehicle running like new again.
We take the guesswork and extra cost out of the repair. Before we ship your module, we flash it with the latest official GM software updates, programming it specifically to your vehicle’s VIN. This ensures perfect communication between the ECM and all other vehicle systems, right out of the box. For most compatible vehicles, this means no additional programming is required—a huge time and money saver for both DIY enthusiasts and professional shops.
From the Diagnostic Bay: The Case of the Confused Crossover
I remember a 2011 Acadia (which uses the same 2010-2011 Traverse ECM) that came into my shop with a laundry list of complaints from the owner. It had intermittent stalling at red lights, harsh transmission shifts, and the cooling fans were running constantly, even on a cool day. The dashboard was lit up with a check engine light and a traction control warning. We checked for codes and found a U0100 (Lost Communication with ECM) and a P0606 (ECM/PCM Processor Fault). After verifying the wiring harness and power/grounds were solid, we knew the internal logic of the original ECM was compromised. Replacing it with a VIN-programmed unit like this one solved every single issue in one shot. It’s a perfect example of how one failing module can create multiple, seemingly unrelated symptoms.
Is Your Vehicle Showing These Symptoms?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, it might be time for a replacement:
- ✔ Persistent Check Engine Light (CEL)
- ✔ Engine stalling or misfiring unpredictably
- ✔ No-start or hard-start conditions
- ✔ Noticeable decrease in fuel economy
- ✔ Poor engine performance or hesitation
- ✔ Communication error codes, such as U0100
- ✔ Internal module fault codes, like P0601 or P0606
- ✔ Erratic automatic transmission shifting
A Straightforward Guide to Installation
Installing your new 2010-2011 Traverse ECM is a manageable job for a confident DIYer. On the Traverse, Acadia, Enclave, and Outlook, the module is located behind the cooling fan shroud.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the ECM: On Traverse models, you will find the ECM mounted directly behind the engine’s cooling fan shroud. You may need to remove the upper portion of the shroud for access.
- Disconnect Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Do not force them. Inspect the connectors for any corrosion or damage.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the mounting hardware, as you will reuse it.
- Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and secure it with the original hardware.
- Reconnect Everything: Firmly plug the electrical connectors back into the new module until they click into place. Reconnect your vehicle’s negative battery terminal.
- Final Steps: Your vehicle is ready to go! In some cases, a security relearn procedure may be necessary, which can typically be done without special tools by cycling the key.
Important Note for Camaro & LaCrosse Owners: Due to the advanced immobilizer (anti-theft) systems in the 2010-2011 Camaro and LaCrosse, making this part truly plug-and-play requires one extra step. We will need you to send us your original ECM. We will read the unique immobilizer data from your old module and transfer it to your new one. This ensures a seamless installation without needing a trip to the dealer for a security relearn. We will contact you with shipping instructions after your purchase.
Verified Vehicle Compatibility
This module is a direct replacement for part number 12617230 and is also compatible with 19300015, 19300014, 12636355, and 12635019. It is guaranteed to fit the following vehicles equipped with the 3.6L V6 engine:
- ✔ 2010-2011 Buick LaCrosse
- ✔ 2010-2011 Buick Allure
- ✔ 2010-2011 Buick Enclave
- ✔ 2010-2011 Chevrolet Traverse
- ✔ 2010-2011 Chevrolet Camaro
- ✔ 2010-2011 Cadillac CTS
- ✔ 2010-2011 Cadillac STS
- ✔ 2010-2011 GMC Acadia
- ✔ 2010 Saturn Outlook
Why is VIN programming so important?
VIN programming loads your vehicle’s specific software and calibrations onto the ECM. This ensures it communicates correctly with the engine, transmission, ABS, and other systems. Without it, your vehicle may not start or run properly. We handle this for you, saving you a trip to the dealer.
Is this a simple plug-and-play installation?
For most listed vehicles (like the Traverse, Acadia, Enclave), yes! Once you install it, you’re ready to go. For the 2010-2011 Camaro and LaCrosse, we require your old module to transfer immobilizer data to make it plug-and-play for you.
Where do I find my VIN?
Your Vehicle Identification Number (VIN) is a 17-digit number found on your driver’s side dashboard (visible through the windshield), on the driver’s side door jamb sticker, and on your vehicle’s registration and insurance documents.
Will this fix my specific check engine light codes?
This 2010-2011 Traverse ECM will resolve any codes directly caused by an internal failure of the module itself, such as P0601, P0606, or U0100. It will not fix codes related to other faulty components (e.g., a bad oxygen sensor).
What if my original part number isn’t 12617230?
This module is a direct replacement for several part numbers, including 19300015, 19300014, 12636355, and 12635019. If your part number matches one of these, this module is the correct fit for your vehicle.