Restore Peak Performance to Your Vehicle
Is your 2008 or 2009 Pontiac Montana suffering from frustrating issues like a persistent check engine light, rough idling, stalling, or a complete failure to start? These are classic symptoms of a failing Engine Control Module (ECM), the central computer that governs your vehicle’s engine performance, fuel economy, and emissions. A faulty ECM can disrupt every aspect of your driving experience, leaving you with an unreliable and inefficient vehicle. This replacement Engine Control Module, part number 12607096, is the definitive solution to restore your vehicle’s original functionality and driving characteristics.
Common Symptoms of a Failing ECM
- ✔ Persistent Check Engine Light (CEL) that won’t clear
- ✔ Engine stalling or shutting off unexpectedly while driving
- ✔ Rough or erratic idling
- ✔ Noticeable decrease in fuel efficiency
- ✔ Difficulty or inability to start the engine
- ✔ Hesitation or stumbling during acceleration
- ✔ Transmission shifting problems
- ✔ Communication error codes with diagnostic scan tools
The Perfect Solution: A Programmed 2008-2009 Montana ECM
Don’t let a faulty computer keep your vehicle off the road. This module is a direct-fit replacement for a wide range of General Motors vehicles, including the 2008-2009 Pontiac Montana. What sets our service apart is the essential programming we perform before shipping. Using the Vehicle Identification Number (VIN) you provide, we flash the module with the latest, most up-to-date software directly from GM. This ensures that the ECM is perfectly matched to your vehicle’s specific configuration, options, and emissions standards. This process eliminates the need for an expensive trip to the dealership for programming, making this a cost-effective and convenient repair.
This unit is a direct replacement for multiple service numbers, ensuring broad compatibility. It is interchangeable with parts 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. While this listing is focused on the Pontiac Montana, this versatile module also fits dozens of other GM models, including the Chevrolet Impala, Buick Allure, GMC Envoy, and Cadillac DTS, among many others listed in the fitment guide. Please verify your part number or consult the compatibility list to ensure a perfect match.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. We handle the programming for you before shipment. Simply provide us with your vehicle’s 17-digit VIN after you place your order, and the module will arrive ready for installation.
Where is the ECM located on a 2008-2009 Pontiac Montana?
On the 2008-2009 Montana, the Engine Control Module is typically found in the engine bay, on the left-hand (driver’s) side. Always disconnect the battery before attempting removal or installation.
Is this part truly plug-and-play?
Yes, because we program it to your specific VIN, it is designed to be a plug-and-play installation. In some GM vehicles, a simple security relearn procedure (often involving turning the key on for 10-15 minutes) may be required to sync the module with your vehicle’s anti-theft system.
How do I provide my VIN?
After completing your purchase, please send us a message containing your complete 17-digit VIN. We cannot ship your part until we receive this information for programming.
Will this fix my specific problem?
If your vehicle’s issues have been correctly diagnosed as a faulty ECM, this part is the correct solution. It is designed to resolve problems directly caused by the failure of the original engine computer.