Is Your Vehicle Running Rough? Restore Its Brainpower.
Are you battling a persistent Check Engine Light, experiencing sudden stalling, or noticing erratic engine behavior in your Buick LaCrosse, Cadillac CTS, or Chevy Impala? These frustrating and often unpredictable issues frequently point to a failing Engine Control Module (ECM) – your vehicle’s central computer. Driving with a faulty ECM can lead to poor fuel economy, failed emissions tests, and potentially leave you stranded. It’s time to stop the guesswork and install a reliable, permanent solution.
Common Symptoms & Your Solution
A failing engine computer can manifest in numerous ways. If you’re experiencing any of the following, this pre-programmed module is the definitive fix:
- Persistent Check Engine Light: Especially for codes like P0601, P0602, P0606, or other internal processor faults.
- Engine Stalling or Misfiring: Unexplained stalling at intersections or a rough, inconsistent idle.
- No-Start Condition: The engine cranks but refuses to start, often due to a lack of fuel injector or ignition coil signals.
- Poor Performance & Fuel Economy: A noticeable drop in power and more frequent trips to the gas station.
- Erratic Transmission Shifting: Harsh or delayed shifts as the ECM fails to communicate properly with the transmission module.
This 12616889 engine control module is the direct answer to these problems. We take the hassle and high cost out of the equation by programming the unit specifically to your vehicle’s VIN before it ever leaves our facility. It arrives at your door ready for a straightforward installation, getting you back on the road quickly and safely.
Features & Benefits
- ✔ Plug-and-Play Installation: Arrives pre-programmed to your vehicle’s unique VIN. No expensive dealership flashing required.
- ✔ Updated GM Software: We flash each unit with the latest General Motors software updates, ensuring optimal performance and compatibility.
- ✔ Restored Performance: Eliminates rough idle, hesitation, and stalling, restoring the smooth and reliable operation you expect from your vehicle.
- ✔ Guaranteed Compatibility: A direct replacement for a wide range of original part numbers, including 12630908, 12637106, 12642665, and more.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on Programming: With over two decades of hands-on diagnostics, I’ve seen the chaos that a mismatched or unprogrammed module can cause. It’s not just about getting the engine to start; it’s about ensuring the ECM communicates flawlessly with the transmission, ABS, and security systems. Our VIN-specific programming process isn’t just a convenience—it’s a critical step that ensures every system in your vehicle works in perfect harmony, just as the manufacturer intended.
Frequently Asked Questions
Do I need to do any additional programming after I receive it?
No. This 12616889 engine control module comes fully programmed to the VIN you provide. In most cases, it is a simple plug-and-play installation. Some vehicles may require a security relearn procedure, which is a simple process that can be done without special tools.
Where do I provide my vehicle’s VIN?
After you complete your purchase, we will contact you to request your vehicle’s 17-digit VIN. We cannot ship your part until we have this information to ensure correct programming.
Is this a direct fit for my vehicle?
Yes. This ECM is a direct-fit replacement for the original factory part numbers listed in the description. As long as your vehicle make, model, and year are on the compatibility list, this unit will fit and function correctly.
What if my original part number isn’t an exact match to 12616889?
That’s very common. Manufacturers often consolidate multiple part numbers into a single, updated replacement. This module is the correct service replacement for all part numbers listed, including 12630908, 12637106, 12642665, 12650256, and 12651993.
What is the warranty on this part?
This unit is backed by our one-year replacement warranty. This provides you with confidence and protection for your purchase.