Restore Peak Performance to Your Camaro’s 3.6L Engine
Is your 2012 Camaro suffering from frustrating issues like a persistent Check Engine Light, rough idling, stalling, or a sudden drop in fuel economy? These are classic signs of a failing Engine Control Module (ECM), the central computer that manages your vehicle’s most critical functions. A faulty ECM can make your car unreliable and frustrating to drive. This isn’t just a part; it’s the brain of your engine, and we provide a direct, reliable solution to get you back on the road with confidence.
This module arrives at your door fully programmed with the latest official GM software, specifically matched to your vehicle’s VIN. This critical step eliminates the need for expensive dealership programming or specialized scan tools, making it a straightforward fix for both seasoned mechanics and dedicated DIY enthusiasts. Simply provide your VIN at checkout, and we handle the complex programming for you.
Case Study: A Tricky Diagnosis
A customer brought in a 2012 Cadillac CTS with the 3.6L V6—an engine shared with the Camaro—that had an intermittent no-start condition and random misfire codes (P0300) that no one could pin down. We’d checked the fuel pressure, spark plugs, and coils, which were all fine. After hours of diagnostics, we hooked up a scope to the injector control circuits at the ECM. We found that the signal for cylinder 3 would occasionally drop out completely. The wiring was perfect. The culprit was an internal failure in the original ECM’s driver circuit. Swapping in a properly programmed module like this one solved the problem instantly. It’s a reminder that sometimes the issue lies deep within the vehicle’s central computer.
Is Your Vehicle Showing These Symptoms?
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 is on with no clear cause.
- ✔ Engine cranks but refuses to start.
- ✔ Unexplained drop in fuel mileage.
- ✔ Rough or erratic engine idle.
- ✔ Hesitation or stumbling during acceleration.
- ✔ Automatic transmission shifts harshly or at the wrong times.
- ✔ Communication error codes, such as U0100 (Lost Communication with ECM/PCM).
- ✔ Internal module fault codes like P0601, P0606, or P060A.
A Straightforward Guide to Installation
Installing your new 2012 Camaro Engine Control Module is a manageable job for someone with basic mechanical skills. Follow these steps for a successful replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes for the system capacitors to discharge.
- Locate the ECM: On the 2012 Camaro with the 3.6L engine, the ECM is typically located in the engine bay. Consult a service manual for the exact position if you’re unsure.
- Disconnect the Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the module. Never force them. Inspect the connectors for any corrosion or damaged pins.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed ECM securely onto the bracket. Reconnect the wiring harnesses, ensuring they click firmly into place.
- Reconnect the Battery: Reattach the negative battery terminal.
- Perform Security Relearn: Your vehicle may require a security or anti-theft relearn procedure to recognize the new ECM. This can often be done without special tools by cycling the key in the ignition. A common method is the “10-Minute Relearn Procedure.” Search for the specific steps for your GM vehicle.
Verified Vehicle Compatibility
This ECM is a direct-fit replacement for a wide range of GM vehicles and interchanges with several part numbers. Please verify your vehicle and original part number below. This module is compatible with part numbers: 12616889, 12630908, 12637106, 12642665, 12650256, and 12651993.
- Buick Allure (2010): 2.4L, 3.0L
- Buick LaCrosse (2010-2011): 2.4L, 3.0L
- Buick Regal (2011)
- Cadillac CTS (2010-2012): 3.0L, 3.6L
- Cadillac SRX (2010-2011): 3.0L
- Chevrolet Camaro (2012): 3.6L
- Chevrolet Captiva Sport (2012)
- Chevrolet Equinox (2010-2011)
- Chevrolet Impala (2012)
- Chevrolet Orlando (2012-2013)
- GMC Terrain (2010-2011)
- Saab 9-5 (2010-2011): 2.0L