Restore Your G6’s Performance and Reliability
Is your Pontiac G6 acting unpredictably? Stalling at intersections, showing a persistent Check Engine Light, or suffering from poor fuel mileage? These frustrating issues often point to a single culprit: a failing Powertrain Control Module. As the central computer of your vehicle, the PCM is responsible for managing everything from fuel injection to transmission shifting. When it falters, the entire driving experience suffers. This isn’t just an inconvenience; it’s a matter of reliability and peace of mind. Our professionally programmed PCM is the definitive solution, designed to restore your vehicle’s factory performance and get you back on the road with confidence.
Warning Signs Your PCM is Failing
A faulty PCM can manifest in various ways, often mimicking other sensor failures. If you’re experiencing any of the following, it’s time to consider the vehicle’s main computer. This replacement is engineered to resolve these exact problems:
- ✔ Stubborn Check Engine Light with codes like P0601, P0602, or P0606.
- ✔ Unexplained engine stalling or difficulty starting.
- ✔ Rough idling or engine misfires.
- ✔ Abrupt or delayed transmission shifting.
- ✔ A sudden drop in fuel economy.
- ✔ Inability for scan tools to communicate with the module.
Guided Installation for Your 2008-2010 G6 PCM
We’ve made this repair as straightforward as possible. By programming the module to your specific Vehicle Identification Number (VIN) before it ships, we eliminate the need for a costly trip to the dealership. You receive a component that is truly plug-and-play. Follow these simple steps for a successful installation:
- Safety First: Begin by disconnecting the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On your Pontiac G6, the PCM is typically found in the engine bay, on the driver’s side front.
- Disconnect with Care: Gently unplug the electrical connectors from the old PCM. There are usually locking tabs that need to be released first—never force them.
- Remove the Old Unit: Unbolt the old module from its mounting bracket and set it aside.
- Install Your New PCM: Secure your new, pre-programmed PCM onto the mounting bracket.
- Reconnect and Power Up: Firmly re-seat the electrical connectors into the new module. Reconnect the negative battery terminal.
- Final Step – Security Relearn: In most cases, you will need to perform a simple security relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. This allows your vehicle’s anti-theft system to recognize the new PCM.
An Expert’s Diagnostic Story
“I once worked with a G6 owner who had spent hundreds replacing O2 sensors and the mass airflow sensor, chasing a persistent lean condition code. The car ran rough and nothing seemed to fix it. Frustrated, he finally brought it to my shop. After checking the sensor data, I saw the PCM wasn’t commanding the correct fuel trim. The sensors were doing their job, but the ‘brain’ was making bad decisions. We installed a VIN-programmed PCM, and the car instantly ran like new. It’s a powerful reminder that sometimes the issue lies with the decision-maker, not the messengers.”
Tailored Fit for Your Ride
This module is a direct replacement for service number 12611549 and is also compatible with several other service numbers, ensuring broad coverage. We program it specifically for your vehicle using the VIN you provide after purchase. It is guaranteed to fit the following makes and models:
- Pontiac G6: 2008-2010 (2.4L & other options)
- Chevrolet Cobalt: 2007-2010 (2.2L, 2.4L)
- Chevrolet HHR: 2007-2011 (2.2L, 2.4L)
- Chevrolet Malibu: 2007-2012 (2.2L, 2.4L, 3.5L)
- Chevrolet Impala: 2010-2011
- Chevrolet Silverado 1500: 2007-2009 (4.3L)
- Chevrolet Express 1500 Van: 2008-2009 (4.3L)
- GMC Sierra 1500: 2007-2009 (4.3L)
- GMC Savana 1500 Van: 2008-2009 (4.3L)
- Saturn Aura: 2008-2009 (2.4L)
- Saturn Vue: 2008-2010 (2.4L)
- Saturn Sky: 2008-2010 (2.4L)
- Pontiac Solstice: 2008-2010 (2.4L)
- Pontiac G5: 2007-2010
- Buick Lucerne: 2009-2011 (3.9L)
Note: This is a partial list. This PCM covers multiple service numbers including 12597125, 12612397, 12594750, 12629019, and 12635902. Providing your VIN is essential for perfect programming.
Frequently Asked Questions
Is this module ready to install right out of the box?
Yes! We program the module with the latest GM software updates using the VIN you provide. This ensures it is fully synchronized with your vehicle’s specific configuration and options, making it a true plug-and-play solution.
What do I need to do after installing the PCM?
After physical installation, you will need to perform a standard security relearn procedure. This is a simple process that syncs the new PCM with your car’s anti-theft system and does not require any special tools. Instructions are readily available online or in your vehicle’s service manual.
How do I provide my vehicle’s VIN?
After you complete your purchase, we will send you a message requesting your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as it is crucial for correct programming.
My original part has a different service number. Will this still work?
Yes, most likely. GM often uses multiple service numbers for the same physical part. This PCM replaces several common numbers like 12597125 and 12612397. As long as your vehicle is on our compatibility list, our VIN programming will ensure it functions perfectly.
Will this fix my transmission shifting problems?
If the shifting problems are caused by faulty electronic commands from the PCM, then yes, this will resolve the issue. The PCM controls shift points and line pressure. However, if the problem is mechanical within the transmission itself, this part will not correct it. Proper diagnosis is key.