2011-2015 Volt Engine Control Module 22819494 | Programmed to Your VIN

Restore Peak Performance to Your GM Vehicle

As a technician with over two decades of experience under the hood, I’ve seen firsthand the frustration a failing Engine Control Module (ECM) can cause. It’s the brain of your vehicle’s engine, and when it starts to malfunction, it can trigger a cascade of confusing and costly problems—from a persistent check engine light and poor fuel economy to a car that simply refuses to start. If you’re dealing with these headaches, you’ve come to the right place for a reliable, straightforward solution.

This isn’t just a replacement part; it’s a complete service designed to get you back on the road with confidence. We are providing a high-quality ECM, part number 22819494, that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN) before it ever leaves our facility. This critical step ensures seamless communication between the module and your car’s various systems, incorporating the latest factory software updates from GM. This eliminates the need for an expensive trip to the dealership for programming, saving you both time and money.

Is Your GM Vehicle Showing These Symptoms?

A faulty ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer may need replacement. Look out for common Diagnostic Trouble Codes (DTCs) like P0601 (Internal Control Module Memory Check Sum Error), P0606 (ECM/PCM Processor Fault), or U0100 (Lost Communication With ECM/PCM).

• ✔ Check Engine Light is on with multiple, seemingly unrelated codes.
• ✔ Engine cranks but refuses to start.
• ✔ Noticeable drop in fuel efficiency.
• ✔ Rough idling, stalling, or hesitation during acceleration.
• ✔ Transmission shifting issues or harsh engagement.
• ✔ Failure to pass an emissions inspection.

Your Solution for a Reliable 2011-2015 Volt Engine Control Module

Choosing a pre-programmed module is the smartest way to handle an ECM replacement. It ensures that all the unique parameters for your vehicle’s fuel delivery, ignition timing, and emissions systems are perfectly calibrated. This is especially critical for a complex vehicle like the Chevy Volt. By purchasing a properly configured 2011-2015 Volt Engine Control Module, you are not just replacing a part; you are restoring the vehicle’s operational integrity and efficiency as the manufacturer intended.

A Straightforward Guide to Your ECM Installation

Installing your new ECM is a manageable task for a confident DIYer. While specific locations vary by model (e.g., LH rear engine compartment on a Volt, LH front on a Silverado), the general process is consistent.

1. Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
2. Locate the Old ECM: Find the existing Engine Control Module. It’s a metal box with large electrical connectors.
3. Disconnect and Remove: Carefully unplug the wiring harnesses. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
4. Install the New Module: Bolt your new, pre-programmed ECM into place. Ensure it is securely mounted.
5. Reconnect Everything: Firmly plug the wiring harnesses back into the new module until they click into place. Reconnect the negative battery terminal.
6. Final Steps: Your vehicle may need to complete a security relearn procedure or idle relearn, which can often be done by following simple instructions in your owner’s manual or by letting the vehicle idle for several minutes.

Verified Vehicle Compatibility List

This Engine Control Module is a direct-fit replacement for a wide range of GM vehicles. Please verify your part number (this unit replaces 12668866, 12668994, 12643636, 12663405, 12670335, 22819494, and 12692200) and check the list below to ensure compatibility.