Restore Your Vehicle’s Heartbeat and Drive with Confidence
Is your Cobalt, Malibu, or HHR acting erratically? Stalling, shifting poorly, or displaying a stubborn check engine light that just won’t go away? These frustrating issues often point to a failing Powertrain Control Module (PCM), the central computer of your vehicle. Don’t let a faulty module keep you off the road. This genuine GM control module, service number 12597125, is the definitive solution to restore your vehicle’s performance, reliability, and your peace of mind.
We take the guesswork and expensive dealership visits out of the equation. Before we ship, our expert technicians will flash this module with the latest GM-certified software, precisely programmed to your vehicle’s unique Vehicle Identification Number (VIN). This means it arrives at your door ready for a straightforward installation, designed to communicate flawlessly with your car’s existing systems right out of the box.
Warning Signs and How to Overcome Them
A failing PCM can cause a cascade of confusing problems. If you’re experiencing any of the following, this pre-programmed module is your solution:
- ✔ Unexplained Check Engine Light (CEL) illumination
- ✔ Diagnostic Trouble Codes (DTCs) like U0100 (Lost Communication with ECM/PCM)
- ✔ Engine stalling, sputtering, or refusing to start
- ✔ Noticeable decrease in fuel economy
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Failure to pass emissions testing
- ✔ Intermittent electrical issues that seem to have no other cause
Guided Installation for a Lasting Repair
You don’t need to be a master mechanic to complete this job. With a few basic tools and a little patience, you can get your car running smoothly again. 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 Old Module: Find the existing PCM. On many models like the Cobalt, it’s located in the LH front of the engine compartment. Consult a repair manual for your specific vehicle if you’re unsure.
- Careful Disconnection: Gently release the locking tabs and disconnect the wiring harness connectors from the old module. Then, unbolt the module from its mounting bracket.
- Install the New Heart: Mount your new, pre-programmed PCM onto the bracket and securely reconnect the wiring harnesses. You should hear a ‘click’ as they lock into place.
- Power Up: Reconnect the negative battery terminal. The vehicle may require a security relearn procedure (often called a Passlock or anti-theft relearn), which can typically be done without special tools. Instructions are widely available online for your specific model.
Expert Tip from a Seasoned Tech: Before you install the new module, take a moment to inspect the wiring harness connectors for any signs of corrosion, bent pins, or damaged wires. A poor connection is a common source of PCM-related symptoms. Cleaning the contacts with a dedicated electronics cleaner can prevent a world of headaches down the road.
Your Solution for a Flawless 2007-2010 Cobalt PCM Replacement
Choosing this module isn’t just about replacing a part; it’s about restoring the core function and reliability of your vehicle. By providing us with your VIN, you ensure that the software loaded onto this computer is perfectly matched to your car’s specific options and build, from the engine and transmission to the emissions system. This is the key to a lasting, trouble-free repair that brings back that smooth, responsive drive you’ve been missing.
Tailored Fit for Your Ride
This module is a direct replacement for service number 12597125 and is compatible with a wide range of GM vehicles. Please verify your model and options below:
MALIBU 10 Electronic Control Module; 3.5L
EXPRESS 1500 VAN 08-09 Electronic Control Module; (LH rear engine compartment), 4.3L
MALIBU 08 Electronic Control Module; classic style (emblem in grille), 2.2L
SIERRA 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/4.3L
COBALT 08 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
COBALT 07-08 Electronic Control Module; (LH front engine compartment), 2.2L (VIN F, 8th digit, 4-134)
MALIBU 11-12 Electronic Control Module; 2.4L
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 2.4L, w/o hybrid
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/o hybrid
HHR 07-11 Electronic Control Module; (LH rear engine compartment), 2.2L
SIERRA 1500 PICKUP 08 Electronic Control Module; (LH front under battery), w/4.3L
SOLSTICE 08-10 Electronic Control Module; (LH front frame rail), 2.4L
COBALT 09 Electronic Control Module; (LH front engine compartment), 2.2L (VIN H, 8th digit, 4-134)
HHR 08-11 Electronic Control Module; (LH rear engine compartment), 2.4L
LUCERNE 09-11 Electronic Control Module; (lower part of air cleaner box), 3.9L
MALIBU 07 Electronic Control Module; 2.2L
VUE 08-09 Electronic Control Module; 2.4L, VIN P (8th digit, opt LE5)
VUE 10 Electronic Control Module; 2.4L
G6 08-09 Electronic Control Module; (LH front engine compartment), 2.4L
IMPALA 10-11 Electronic Control Module; (lower part of air cleaner box)
SIERRA 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/4.3L
COBALT 10 Electronic Control Module; (LH front engine compartment), 2.2L (VIN 5, 8th digit, 4-134)
MALIBU 09-10 Electronic Control Module; 2.4L, w/o hybrid
G6 10 Electronic Control Module; (LH front engine compartment)
SILVERADO 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/4.3L
SKY 08-10 Electronic Control Module; (LH front frame rail), 2.4L
G5 07 Electronic Control Module; (LH front engine compartment), 2.2L (VIN F, 8th digit, 4-134)
SILVERADO 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/4.3L
G5 08-10 Electronic Control Module
SAVANA 1500 VAN 08-09 Electronic Control Module; (LH rear engine compartment), 4.3L
Frequently Asked Questions
How do I provide you with my VIN?
After you complete your purchase, simply reply to your order confirmation email with your 17-digit Vehicle Identification Number (VIN). We’ll handle the rest before shipping your part.
Is this module truly ‘plug-and-play’?
Yes, because we program it to your VIN, it is designed to work immediately upon installation. However, some GM vehicles require a simple anti-theft relearn procedure, which takes about 30 minutes and does not require special tools. This syncs the new PCM to your existing keys.
Will this fix my specific problem?
If your vehicle’s issues have been correctly diagnosed as a faulty PCM, then this part is the solution. It resolves problems stemming from the module itself, such as internal circuit failure, software corruption, or communication errors.
What if my original part number is not on the list?
The listed service numbers (like 12611549, 12594750, etc.) are all interchangeable with 12597125. If your number isn’t listed, please contact us with your VIN. We can verify compatibility and ensure you receive the correct part for your vehicle.
Do I need to send my old PCM back?
No core charge or return is required for this part. You can recycle your old module locally.