Is Your 2012 Camaro Running Rough, Stalling, or Throwing Confusing Codes?
If you’re dealing with frustrating engine problems in your 2012 Camaro 3.6L, a failing Engine Control Module (ECM) is often the hidden culprit. I’ve seen it countless times in my shop: a car comes in with intermittent stalling, poor fuel economy, a persistent Check Engine Light, and communication errors that have other mechanics chasing their tails, replacing perfectly good sensors. The ECM is the brain of your engine, and when it starts to fail, the symptoms can be unpredictable and maddening.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM ECM and program it specifically to your vehicle’s Vehicle Identification Number (VIN). This ensures it has the latest factory software updates from GM, correcting common drivability issues and ensuring seamless communication with your car’s other modules, like the transmission controller and anti-lock brake system.
Expert Pro Tip: Check Your Connectors First
Before you condemn your old ECM, take a moment to inspect the electrical connector harnesses that plug into it. Over the years, I’ve diagnosed dozens of what seemed like failed ECMs, only to find the real issue was a corroded or bent pin inside the connector. Unplug the harnesses (with the battery disconnected!) and use a flashlight to look for any green/white corrosion or damaged pins. Cleaning them with a dedicated contact cleaner can sometimes solve the problem. If they look clean, you can proceed with the replacement with confidence.
Common Symptoms of a Failing 2012 Camaro ECM:
A faulty engine computer can cause a wide range of issues. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Engine stalling or shutting off while driving
- ✔ No-start condition where the engine cranks but won’t fire
- ✔ Check Engine Light is on with various communication codes (U-codes)
- ✔ Poor or erratic automatic transmission shifting
- ✔ Noticeable decrease in fuel efficiency
- ✔ Misfires or rough idling that new spark plugs and coils didn’t fix
Plug-and-Play Installation: No Dealer Visit Required
One of the biggest benefits of our service is that this module arrives at your door ready to install. Since we program it with your VIN beforehand, you can skip the expensive trip to the dealership for programming. The installation is straightforward for a DIYer with basic tools.
- Safety First: Disconnect the negative terminal from your car’s battery and wait 10 minutes for the systems to discharge.
- Locate the ECM: On the 2012 Camaro, the ECM is typically found in the engine compartment. Consult your owner’s manual for the exact location.
- Disconnect Harnesses: Carefully release the locking tabs on the electrical connectors and pull them straight out from the old ECM. Do not force them.
- Remove Old Module: Unbolt the old ECM from its mounting bracket.
- Install New Module: Mount your new, pre-programmed ECM and securely reconnect the electrical harnesses. You should feel a distinct click as they lock into place.
- Reconnect Battery: Reattach the negative battery terminal. Your vehicle may need to complete a security relearn procedure, which typically involves turning the key to the ‘ON’ position for 10-15 minutes.
Guaranteed Fitment & Compatibility
This ECM is a direct replacement for a wide range of GM vehicles. To ensure compatibility, please verify that your original module has one of the following part numbers printed on its label:
Part Numbers: 12616889, 12630908, 12637106, 12642665, 12650256, 12651993
While this listing is focused on the 2012 Camaro ECM, this unit also fits models like the Cadillac CTS, Buick LaCrosse, Chevy Impala, and more, restoring them to proper factory operation. Simply provide your VIN at checkout, and we’ll handle the rest.