Programmed 2012-2015 Camaro ECM 12678513 Engine Computer

Is Your Camaro Stalling, Running Rough, or Showing a Check Engine Light?

As a technician with over two decades of diagnostic experience, I’ve seen firsthand how a failing Engine Control Module (ECM) can bring a powerful car like a 2012-2015 Camaro to a frustrating halt. You might be dealing with intermittent stalling at stoplights, a car that refuses to start, erratic engine behavior, or a check engine light that just won’t go away. These aren’t just annoyances; they’re signs that your car’s central computer is struggling.

Just last month, a customer brought in his 2014 Camaro ZL1. He’d already replaced the battery and alternator trying to solve a bizarre issue where the car would randomly lose power and then recover. After hooking up my scan tool, I saw multiple communication loss codes with other modules. This is a classic sign. Instead of a wiring problem, the root cause was a failing processor inside the original ECM. We swapped in a pre-programmed module like this one, and the car has been running perfectly ever since. This is the exact, reliable fix for those hard-to-diagnose electronic gremlins.

The Simple, No-Hassle Solution: A VIN-Programmed ECM

Forget about towing your car to the dealership and paying hundreds for diagnostics and programming. This ECM is the straightforward solution you need. We take the hassle out of the repair by programming the module specifically for your vehicle using your VIN. It arrives at your door loaded with the latest official GM software updates, making it ready for immediate installation.

• ✔ VIN-Specific Programming: We flash the module with your car’s exact VIN, ensuring all factory settings and security information are correct.
• ✔ Latest GM Software: Your new ECM will have the most current software from General Motors, often correcting factory bugs and improving performance and efficiency.
• ✔ No Dealer Visit Required: This is a true plug-and-play solution. Once installed, the vehicle will start and run without any additional programming.
• ✔ Solves Common Failure Points: Directly addresses issues like no-start conditions, false sensor codes, poor fuel economy, and communication errors.
• ✔ Direct Interchange: This module, part number 12678513, is a direct replacement for service number 12633264.

Easy Installation Guide for Your 2012-2015 Camaro ECM

You can perform this replacement in your own garage with basic hand tools. Follow these steps for a smooth installation.

1. Safety First: Disconnect the negative terminal from your car’s battery and secure it away from the post to prevent any accidental reconnection.
2. Locate the ECM: On the 2012-2015 Camaro, the ECM is typically located in the engine bay. Check the driver’s side, near the firewall or inner fender.
3. Disconnect the Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the old ECM. Never force them.
4. Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are usually a few 10mm bolts holding it in place.
5. Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and secure it with the bolts.
6. Reconnect Everything: Plug the electrical connectors firmly into the new module until they click into place. Reconnect the negative battery terminal.
7. Final Check: Turn the key to the ‘ON’ position for 10-15 seconds before starting the engine. This allows all the vehicle’s modules to recognize the new ECM. Start the car and enjoy a smooth-running engine.

Guaranteed Compatibility

This Engine Control Module is guaranteed to be a direct fit for your 2012, 2013, 2014, or 2015 Chevrolet Camaro and is also compatible with a wide range of other GM vehicles. Simply provide your VIN during checkout, and we’ll handle the rest, ensuring you get the right part, programmed correctly, the first time.