Restore Your Saturn’s Performance and Reliability
Is your Saturn SKY suffering from frustrating and unpredictable issues? A flickering check engine light, poor fuel economy, erratic shifting, or even a no-start condition can all point to a failing Powertrain Control Module (PCM). This isn’t just an inconvenience; it’s a compromise on your vehicle’s safety and your peace of mind. Take back control with this precision-programmed Engine Control Module, designed to restore your vehicle’s factory performance and get you back on the road with confidence.
This isn’t just a replacement part; it’s a complete solution. We take the guesswork and the expensive dealership trips out of the equation. By programming this module with your vehicle’s specific VIN, we ensure it arrives ready for a straightforward installation. It’s loaded with the latest GM software updates, addressing common bugs and improving performance beyond what your original module offered. Regain that smooth, responsive drive you remember.
From the Technician’s Bay: The Phantom Problem
I once had a 2009 Pontiac Solstice—which shares this exact PCM with the SKY—come in with the most bizarre symptoms. The owner had replaced sensors, checked wiring, and was at his wit’s end. The car would run fine for a week, then suddenly refuse to start. After hours of diagnostics, we traced it to an internal fault in the PCM that only appeared when the engine bay reached a specific temperature. A new, properly programmed module fixed it instantly. It’s a reminder that the vehicle’s ‘brain’ is critical, and when it fails, the symptoms can be incredibly misleading. This pre-programmed unit prevents that diagnostic nightmare.
Warning Signs and How to Overcome Them
A failing PCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the definitive solution:
- ✔ Unexplained Check Engine Light with codes like P0601, P0606, or U0100 (Lost Communication).
- ✔ The engine cranks but refuses to start.
- ✔ Poor or erratic automatic transmission shifting.
- ✔ A noticeable drop in fuel efficiency.
- ✔ Stalling, hesitation, or rough idling.
- ✔ Communication issues with diagnostic scan tools.
Guided Installation to Restore Peace of Mind
Installing your new PCM is a manageable task for a confident DIYer. Follow these steps for a successful repair:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work. Wait at least 15 minutes for all capacitors to discharge.
- Locate the Module: On the Saturn SKY, the PCM is typically located on the LH front frame rail. It’s an aluminum box with large electrical connectors.
- Disconnect and Remove: Carefully unplug the wiring harnesses. There are often locking tabs that need to be released. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New PCM: Mount your new, pre-programmed module in the same location. Ensure it is securely fastened.
- Reconnect Everything: Plug the wiring harnesses firmly into the new module until they click into place. Reconnect your vehicle’s battery terminal.
- Final Steps: The vehicle may require a security relearn or a crank position sensor relearn (CASE relearn) to finalize the installation. This can often be done with a key cycle procedure or a capable scan tool.
Tailored Fitment for Your 2008-2010 Saturn SKY PCM
This module is a direct replacement for service numbers 12635902, 12597125, 12612397, 12594750, 12629019, 12611549, and others. It is guaranteed to fit the following vehicles and more:
- Saturn SKY: 2008, 2009, 2010 (2.4L)
- Pontiac Solstice: 2008, 2009, 2010 (2.4L)
- Chevy Cobalt: 2007, 2008, 2009, 2010 (2.2L, 2.4L)
- Chevy HHR: 2007, 2008, 2009, 2010, 2011 (2.2L, 2.4L)
- Chevy Malibu: 2007, 2008, 2009, 2010, 2011, 2012 (2.2L, 2.4L, 3.5L)
- Chevy Impala: 2010, 2011
- Chevy Silverado 1500: 2007, 2008, 2009 (4.3L)
- GMC Sierra 1500: 2007, 2008, 2009 (4.3L)
- Pontiac G5/G6: 2007, 2008, 2009, 2010
- Saturn Aura/Vue: 2008, 2009, 2010
- …and many other GM models. Please verify your part number.
Frequently Asked Questions
What does ‘VIN Programmed’ mean for me?
It means we flash the module with your vehicle’s unique Vehicle Identification Number (VIN) and install the latest GM-certified software. This ensures the computer communicates perfectly with your car’s other modules, like the anti-theft system and transmission controller, for a true plug-and-play installation.
Do I need to have a dealer perform any additional steps?
In most cases, no. Our programming handles the critical setup. However, some vehicles may require a simple ‘Security Relearn’ or ‘CASE Relearn’ procedure, which can often be done without special tools. We provide instructions for common procedures upon request.
Is this a new or a reconditioned part?
This is a high-quality, reconditioned OEM part that has been rigorously tested to meet or exceed original factory specifications. It is then loaded with fresh, vehicle-specific software, providing a reliable and cost-effective solution.
How do I provide my VIN?
After completing your purchase, you can send us a message with your 17-digit VIN. We cannot ship your part until we receive this information, as the programming is specific to your exact vehicle.
What if my original part number is not on your list?
The listed part numbers are the most common service numbers for this module. If your number is different, please contact us with your VIN and original part number. We can verify compatibility to ensure you get the correct part.