Restore the Heartbeat of Your High-Performance Machine
There’s nothing more frustrating than when the sophisticated electronics in your C6 Corvette start causing problems. A failing Engine Control Module (ECM) can turn your precision-engineered vehicle into an unreliable source of stress, with issues ranging from a no-start condition to baffling performance drops. With over 20 years in the diagnostic bay, I’ve seen how a faulty ECM can sideline even the most powerful cars. This isn’t just a component; it’s the central computer for your engine, and when it falters, everything is affected.
We solve this problem by providing a reliable, direct-fit replacement ECM, part number 12678513. The best part? We handle the programming for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash the module with the latest, most stable GM software updates specific to your Corvette. This eliminates the need for expensive dealership programming or specialized scan tools, getting you back on the road with confidence.
From the Diagnostic Bay: The Ghost in the Corvette
A few months back, a 2011 Corvette Z06 with the LS9 engine was towed into my shop. The owner was at his wit’s end. The car would randomly refuse to start, and when it did run, it would occasionally stumble and throw a check engine light, only for the code to vanish later. He’d already replaced the battery and checked the fuel pump. After hooking up my professional scanner, I saw intermittent communication loss codes (U0100) with the ECM. On a hunch, I gently wiggled the ECM connectors while the engine was running—it stalled immediately. The module had an internal short, a classic sign of heat-cycle fatigue. Replacing it with a properly programmed unit like this one solved the problem permanently. It’s a textbook example of why a reliable 2010-2013 Corvette ECM is critical.
Is Your Corvette Exhibiting These ECM Failure Signs?
- ✔ Check Engine Light is on with codes like P0601 (Internal Memory Error) or P0606 (Processor Fault).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained drops in fuel economy or engine power.
- ✔ Stalling, rough idling, or engine hesitation.
- ✔ Communication errors with other vehicle modules (U-codes).
- ✔ Transmission shifting issues or other electronic accessory malfunctions.
A Straightforward Guide to Installation
Replacing the ECM on your Corvette is a manageable job for a DIY enthusiast. This pre-programmed module makes the process even simpler. Here’s a general guide:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes for the system capacitors to discharge.
- Locate the Module: On the 2010-2013 Corvette, the ECM is located in the engine compartment, typically on the right-hand (passenger) side near the front.
- Disconnect Wiring: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the module. Never force them.
- Remove the Old ECM: Unbolt the mounting hardware holding the old ECM in place and remove it from the vehicle.
- Install the New ECM: Mount your new, pre-programmed 2010-2013 Corvette ECM in the same location and secure it with the original hardware.
- Reconnect and Secure: Plug the wiring harnesses back into the new module, ensuring they click securely into place. Reconnect the negative battery terminal. A security relearn procedure may be required, which typically involves turning the key to the ‘ON’ position for 10-15 minutes.
Verified Vehicle Compatibility
This ECM is a direct replacement for service numbers 12678513 and 12633264. It is guaranteed to fit the following models and configurations. Please verify your vehicle’s details before ordering.
- Chevrolet Corvette: 2010-2013 (6.2L, VIN R or T – LS9)
- Cadillac CTS: 2010-2015 (6.2L)
- Chevrolet Camaro: 2012-2015 (3.6L or 6.2L)
- Chevrolet Colorado / GMC Canyon: 2010-2012 (5.3L)
- Hummer H3: 2010 (5.3L)
- Chevrolet Malibu: 2010-2012 (3.6L)
Frequently Asked Questions About This 2010-2013 Corvette ECM
Do I need to do any programming myself?
No. This ECM comes fully programmed to your vehicle’s specific VIN with the latest GM software. It is ready for installation right out of the box.
Where do I provide my VIN?
Please enter your 17-digit Vehicle Identification Number (VIN) in the designated field during the checkout process. We cannot ship your part without it.
Is this a new or used part?
This is a high-quality, tested replacement part, guaranteed to function correctly and programmed with official GM software for reliability.
Will this fix my specific problem?
This part corrects issues directly caused by a failing ECM, such as internal processor faults (P0606) or memory errors (P0601). While it solves many common problems, you should always ensure a proper diagnosis has been performed.
What is the interchange part number?
This module, 12678513, is also a direct replacement for the service number 12633264.