Restore Peak Performance to Your GM Vehicle
Is your Saturn VUE, Chevy Equinox, or GMC Sierra suddenly running rough, stalling unexpectedly, or refusing to start? Are you staring at a persistent Check Engine Light that won’t go away? Before you start replacing expensive sensors or fuel pumps, the real culprit is often the vehicle’s central computer. As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Engine Control Module (ECM) can cause a cascade of confusing and frustrating problems. This isn’t just a part; it’s the brain of your engine, and when it falters, your vehicle’s reliability is compromised.
We offer a dependable and straightforward solution. This is a high-quality replacement ECM, service number 12612384, that arrives at your doorstep fully programmed to your specific vehicle. We use your Vehicle Identification Number (VIN) to load the latest GM factory software, ensuring perfect communication between the engine, transmission, and all related systems. This eliminates the need for expensive dealership programming or specialized scan tools, putting the power back in your hands.
A Technician’s Notebook: The Phantom Fuel Pump Failure
I remember a 2008 Chevy Equinox that came into my bay a few years back. The owner had already replaced the fuel pump twice, convinced it was failing. The SUV would run fine for a few days, then suddenly stall in traffic. The codes were intermittent and pointed towards fuel pressure. But my experience screamed ECM. A failing module can send erratic signals, causing components like the fuel pump relay to shut off randomly. We installed a VIN-programmed ECM, and the problem vanished instantly. The customer had spent hundreds on unnecessary parts and labor when the root cause was the computer all along. A proper diagnosis starts with the brain, and this module is the reliable fix.
Is Your GM Vehicle Showing These Signs?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Check Engine Light (CEL) is on with communication codes like U0100, U0101, or internal processor codes like P0601, P0606.
- ✔ Engine cranks but will not start.
- ✔ Rough or unstable idle.
- ✔ Stalling, hesitation, or sputtering during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Failure to pass state emissions testing.
Your Straightforward Installation Guide
We make this repair as simple as possible for the DIYer or professional mechanic. Since the module comes pre-programmed, the physical swap is all that’s required.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- Locate the ECM: On most compatible vehicles like the 2008-2009 VUE and Equinox, the ECM is found in the engine compartment on the driver’s side, often near the firewall or integrated with the fuse block. For trucks like the Sierra or Silverado, it’s typically under the battery tray on the driver’s side.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab that needs to be released. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New Module: Bolt the new ECM into place. Reconnect the electrical harnesses, ensuring they click securely into position.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Security Relearn (If Needed): Many GM vehicles of this era require a simple security relearn. Turn the key to the ‘ON’ position (without starting the engine) for 10-15 minutes. The security light should turn off. Turn the key off, wait 30 seconds, and your vehicle should now start and run correctly.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 12612384, 12622141, and 12617568. It is guaranteed to fit the following models with the specified options. Please verify your vehicle is on this list before ordering.
Pontiac TORRENT 08-09 (3.4L)
Chevrolet EQUINOX 08-09 (3.4L)
Chevrolet SILVERADO 1500/2500/3500 PICKUP 08 (Exc. 4.3L)
GMC SIERRA 1500/2500/3500 PICKUP 08 (Exc. 4.3L)
Chevrolet SUBURBAN 1500/2500 08
Chevrolet TAHOE 08 (w/o hybrid)
GMC YUKON & YUKON XL 1500/2500 08 (w/o hybrid)
Cadillac ESCALADE / ESV / EXT 08
Chevrolet AVALANCHE 1500 08
Chevrolet EXPRESS VAN 1500/2500/3500 08 (Gasoline)
GMC SAVANA VAN 1500/2500/3500 08 (Gasoline)
Chevrolet CORVETTE 08-09
Chevrolet IMPALA 08 (3.5L or 3.9L)
Chevrolet MALIBU 08 (3.5L)
HUMMER H2 08
Pontiac G6 08 (3.5L or 3.9L)
Saturn AURA 08 (3.5L)
Cadillac CTS 08 (3.6L, VIN 7, ID 12612384)
Chevrolet CAPRICE 11 (ID 12612384)
Frequently Asked Questions
Frequently Asked Questions
What exactly does this Engine Control Module do?
The ECM is your vehicle’s main computer. It controls critical functions like fuel injection, ignition timing, transmission shifting, and emissions systems to ensure the engine runs efficiently and powerfully.
Is this module truly plug-and-play?
Yes. We flash it with the latest GM software using your VIN before shipping. This means no additional programming is needed. Just install it, perform the simple key-on security relearn, and you’re ready to go.
Where do I provide my vehicle’s VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot program and ship the module without it.
My original part number is 12622141. Will this work?
Absolutely. This module, part number 12612384, is the designated service replacement for several older part numbers, including 12622141 and 12617568. It is fully compatible.
Will this fix my specific problem?
While this module corrects the vast majority of ECM-related issues, including common CEL codes and no-start conditions, we always recommend proper vehicle diagnosis. This part is designed to fix a faulty module, not other mechanical or electrical issues.
Where is the ECM on my 2008 Saturn VUE?
On the 2008-2009 Saturn VUE with the 3.5L engine, the ECM is located in the engine compartment on the driver’s side, mounted near the firewall.