Is Your 2012 Camaro Running Rough, Stalling, or Showing a Check Engine Light?
If you’re dealing with frustrating engine problems in your 2012 Camaro, a failing Engine Control Module (ECM) is a very likely culprit. As a technician with over 20 years of experience, I’ve seen firsthand how a faulty ECM can turn a powerful car into a source of constant headaches. You might be experiencing erratic idling, poor fuel economy, shifting problems, or even a no-start condition that leaves you stranded. Don’t just replace parts hoping for a fix; get to the root of the problem with a reliable, correctly programmed solution.
The Smart Solution: A VIN-Programmed 2012 Camaro ECM
This isn’t just a replacement part; it’s a complete fix. We are offering a genuine GM Engine Control Module, part number 12651993, that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN). This critical step ensures that the module communicates perfectly with your Camaro’s engine, transmission, and security systems right out of the box. We load the latest GM-certified software updates, which often correct drivability issues and bugs present in the original factory programming. This means you’re not just replacing a broken partโyou’re getting a more refined and reliable engine management system.
Expert Pro Tip: Check Your Connections First
Before you swap out your ECM, take 10 minutes to inspect the module’s electrical connectors. I’ve seen dozens of cases where intermittent issues were caused by nothing more than a loose pin or slight corrosion on the terminals. Unplug the connectors (with the battery disconnected!) and look for any green or white powder, or any pins that look pushed back. Cleaning them with a dedicated electronics cleaner and a small brush can sometimes save you the cost of a new module. If they’re clean and tight, you can be confident the ECM itself is the issue.
Common Symptoms of a Failing ECM:
If your Camaro is showing any of these signs, a faulty engine computer is a strong possibility:
- โ Check Engine Light is on with various communication or sensor codes.
- โ The engine cranks but refuses to start.
- โ Noticeable loss of power and poor acceleration.
- โ Worsening fuel mileage for no apparent reason.
- โ Unexplained stalling or stumbling, especially when warm.
- โ Harsh or erratic automatic transmission shifting.
Plug-and-Play Installation: No Dealer Visit Required
Our VIN programming service makes this a straightforward DIY job, saving you hundreds in dealership labor and programming fees. While every vehicle is slightly different, the process is generally simple:
- Safety First: Disconnect the negative terminal from your car’s battery.
- Locate the ECM: On the 2012 Camaro with the 3.6L engine, the ECM is typically found in the engine compartment.
- Disconnect and Remove: Carefully unplug the electrical harness connectors from the old module and unbolt it from its mounting bracket.
- Install the New ECM: Bolt the new, pre-programmed module into place and securely reconnect the harnesses. Ensure they click into place.
- Reconnect Battery: Re-attach the negative battery terminal.
- Perform Security Relearn: You may need to perform a simple key-cycle security relearn procedure. Typically, this involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. This allows the new ECM to sync with your car’s anti-theft system.
Guaranteed Fitment & Compatibility
This module is a direct replacement for a wide range of GM vehicles and supersedes several older part numbers. Please verify your original part number is on this list or that your vehicle is listed below.
Replaces Part Numbers: 12616889, 12630908, 12637106, 12642665, 12650256, 12651993
Fits Models Including:
- 2012 Chevrolet Camaro (3.6L)
- 2010-2012 Cadillac CTS (3.0L, 3.6L)
- 2010-2011 Buick LaCrosse / Allure (2.4L, 3.0L)
- 2012 Chevrolet Impala
- 2010-2011 Chevrolet Equinox / GMC Terrain
- …and many more models listed in the fitment chart.
After your purchase, simply send us your 17-digit VIN, and we’ll handle the rest. We’ll program the module and ship it directly to you, ready for installation.