Is Your Camaro Stalling, Hesitating, or Refusing to Start?
There’s nothing more frustrating than when the heart of your muscle car’s electronics—the Engine Control Module (ECM)—starts to fail. You might be experiencing a persistent Check Engine Light, erratic engine behavior, poor fuel mileage, or the dreaded no-start condition where everything else seems fine. In my 20+ years as a technician, I’ve seen these symptoms countless times, and they almost always point back to a faulty ECM. It’s the central computer that manages everything from fuel injection and ignition timing to transmission shifting. When it goes bad, your Camaro simply won’t run right.
The Simple, No-Dealership Solution
Forget about towing your car to the dealer and paying hundreds for diagnostics and programming. This replacement ECM is the direct-fit, straightforward solution you need. We take all the complexity out of the process. Simply provide us with your vehicle’s VIN during checkout, and our experts will program the module with the latest, most stable software updates directly from GM. It arrives at your door ready for a simple, plug-and-play installation, getting you back on the road in under an hour.
This Programmed 2012-2015 Camaro ECM Solves Common Issues Like:
- ✔ Persistent and un-clearable Check Engine Lights (CEL)
- ✔ Vehicle stalling or shutting off while driving
- ✔ Complete no-start or intermittent starting problems
- ✔ Harsh or incorrect automatic transmission shifting
- ✔ Noticeable loss of power and poor fuel economy
- ✔ Communication errors with diagnostic scan tools
Expert Pro Tip: Check for External Faults First!
Before you install your new ECM, take a moment to inspect the components it controls. An ECM rarely fails on its own; it’s often damaged by an external electrical short. A common culprit I’ve seen in the shop is a shorted ignition coil or fuel injector. Use a multimeter to check the resistance of your coils and injectors. A reading that’s way out of spec (or a dead short) indicates the part that likely damaged your original ECM. Replacing that faulty component first will prevent the same fate from happening to your new module.
Plug-and-Play Installation: Get Back on the Road Fast
You don’t need to be a master mechanic to install this part. With basic hand tools, you can have your Camaro running smoothly again. Just follow these simple steps:
- Safety First: Disconnect the negative terminal from your car’s battery and wait a few minutes for the system to discharge.
- Locate the ECM: On the 2012-2015 Camaro, the ECM is typically located in the engine bay. Consult your owner’s manual for the exact position.
- Disconnect Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the old ECM. Inspect the pins for any corrosion or damage.
- Swap the Module: Unbolt the old ECM from its mounting bracket and secure the new module in its place.
- Reconnect Everything: Plug the wiring harnesses firmly into the new ECM until they click into place. Reconnect your negative battery terminal.
- Start the Engine: Your vehicle is now ready to go! The pre-programmed module will sync with your car’s systems automatically.
Guaranteed Fitment and Compatibility
This module, part number 12633264, is a direct replacement for the original unit and also interchanges with service number 12678513. It is the correct computer for a wide range of GM vehicles, ensuring perfect communication and function. While this listing is focused on the 2012-2015 Camaro ECM, it also fits the following vehicles:
- Chevrolet Camaro (2012): 3.6L & 6.2L (with ID 12633264)
- Chevrolet Camaro (2013-2015): 6.2L (LSA Engine)
- Cadillac CTS (2010-2015): 6.2L
- Chevrolet Corvette (2010-2013): 6.2L (LS9 Engine)
- Chevrolet Colorado / GMC Canyon (2010-2012): 5.3L
- Hummer H3 (2010): 5.3L
- Chevrolet Malibu (2010-2012): 3.6L
Order today and restore the performance and reliability of your vehicle with a professionally programmed, ready-to-install Engine Control Module.