Restore Peak Performance to Your Vehicle’s Engine
Is your vehicle plagued by a persistent check engine light, erratic engine behavior, or a frustrating no-start condition? These are common indicators of a failing Powertrain Control Module (PCM), the central computer responsible for managing your engine’s performance, fuel economy, and emissions. This replacement Engine Control Module, corresponding to part number 12638026 and service number 12597125, is the definitive solution to get your vehicle running smoothly and reliably again.
Unlike generic modules that require expensive dealer programming, this PCM arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We load the latest, most stable software updates directly from GM, ensuring that your new computer corrects any factory bugs and optimizes performance from the moment of installation. This plug-and-play solution saves you time, money, and the hassle of a trip to the dealership.
From the Diagnostic Bay
We recently had a customer with a 2009 Chevy Malibu who was at his wit’s end. He had spent hundreds of dollars replacing the MAF sensor, throttle body, and even the catalytic converter trying to solve a persistent P0171 (System Too Lean) code and rough idle. The check engine light would always return. After inspecting his vehicle, we found that the original PCM had a failing driver circuit for the fuel injectors, causing an inconsistent fuel mixture that no sensor could correct. Installing a VIN-programmed PCM like this one solved the problem instantly. It’s a powerful reminder that the computer itself can be the root cause, fooling you into chasing symptoms instead of the source.
Common Symptoms of a Failing Engine Computer
- ✔ Persistent Check Engine Light (CEL) with various fault codes.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Rough or erratic idling.
- ✔ Harsh or incorrect automatic transmission shifting.
- ✔ Vehicle fails to start, even with a good battery and starter.
- ✔ Communication errors with diagnostic scan tools.
The Importance of a VIN-Programmed 2008-2010 Solstice PCM
Your vehicle is a complex system of interconnected components. The PCM for a 2008 Pontiac Solstice with a 2.4L engine has different fuel maps and transmission logic than one for a 2008 Silverado 1500 with a 4.3L V6, even if the hardware looks identical. By programming this module to your exact VIN, we ensure it has the correct calibration file for your engine, transmission, tire size, and factory options. This precision is critical for proper operation and is the key to our plug-and-play installation process. This process makes replacing your 2008-2010 Solstice PCM or the ECM for any of the other compatible vehicles a straightforward repair.
Wide-Ranging GM Compatibility
This versatile E37-family ECM is a direct replacement for a vast array of General Motors cars, trucks, and vans. Please verify your part number or consult the list below to confirm fitment. This unit replaces service numbers: 12612397, 12594750, 12597125, 12629019, 12635902, and 12611549.
Fitment Includes (but not limited to):
- Buick Lucerne: 2009-2011 (3.9L)
- Chevrolet Cobalt: 2007-2010 (2.2L, 2.4L)
- Chevrolet HHR: 2007-2011 (2.2L, 2.4L)
- Chevrolet Impala: 2010-2011
- Chevrolet Malibu: 2007-2012 (2.2L, 2.4L, 3.5L)
- Chevrolet Silverado 1500: 2007-2009 (4.3L)
- GMC Sierra 1500: 2007-2009 (4.3L)
- GMC Savana/Chevy Express 1500: 2008-2009 (4.3L)
- Pontiac G5/G6: 2007-2010 (2.2L, 2.4L)
- Pontiac Solstice: 2008-2010 (2.4L)
- Saturn Aura: 2008-2009 (2.4L)
- Saturn Sky: 2008-2010 (2.4L)
- Saturn Vue: 2008-2010 (2.4L)
After your purchase, simply provide us with your vehicle’s VIN, and we’ll handle the rest. We will program the module and ship it out, ready for installation. In many cases, a simple security relearn procedure (which can be done without special tools) is all that’s needed to get you back on the road.
Frequently Asked Questions
Do I need to get this computer programmed?
No. We program the module for you before it ships. All you need to do is provide your vehicle’s VIN during or after checkout. It will arrive ready to install.
Where can I find my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on the driver’s side of the dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Is this a difficult part to install?
For most DIY mechanics, installation is straightforward. It typically involves disconnecting the battery, unplugging the electrical connectors, and unbolting the old module. After installing the new one, you may need to perform a simple security relearn procedure, which takes about 30 minutes and does not require special tools. Instructions can be easily found online for your specific model.
What happens if I don’t provide my VIN?
We cannot ship your part without a VIN. The programming is essential for the module to function correctly in your vehicle. We will hold your order and contact you until the VIN is provided.
Will this fix my specific problem or check engine light?
This module will correct any issues directly caused by a faulty PCM. If your vehicle has been properly diagnosed and the ECM is the confirmed point of failure, this part will resolve those symptoms and clear related check engine light codes.
Does this part fit vehicles other than the Pontiac Solstice?
Yes, absolutely. This ECM is compatible with dozens of GM models from 2007 to 2012, including the Chevy Malibu, Silverado, Cobalt, HHR, Pontiac G6, and Saturn Aura, among others. Please refer to the detailed fitment list on this page.