Is Your GM Vehicle Acting Up? It Could Be The ECM.
If you’re dealing with a persistent check engine light, strange transmission behavior, a no-start condition, or poor fuel economy, the Engine Control Module (ECM) is often the culprit. As the central computer for your vehicle’s engine, its proper function is critical. In my 20+ years as a diagnostic technician, I’ve seen countless cases where a failing ECM causes symptoms that can easily be misdiagnosed, leading to wasted time and money on unnecessary parts. A faulty ECM doesn’t just affect performance; it can leave you stranded.
The Smart Solution: A VIN-Programmed Replacement ECM
Instead of paying steep dealership prices for a new module and programming, our service provides a tested, reliable used ECM that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN). We take a quality, inspected ECM with service number 12669908 and flash it with the latest, most stable software updates directly from GM. This ensures that when you receive the part, it has the correct calibration for your engine, transmission, and emissions equipment.
Expert Pro Tip: The Post-Installation Checklist
After installing your new ECM, a few key procedures are required. The most critical is the security or theft deterrent relearn. Before starting this process, I always recommend putting your vehicle’s battery on a charger or maintainer. I’ve seen many relearn procedures fail in the shop simply because of low system voltage. A stable voltage ensures the new ECM communicates correctly with the BCM and other modules on the network, preventing data corruption and ensuring a successful first start.
Why Choose Our Programmed GM ECM 12669908?
Getting your car or truck back on the road shouldn’t be a complicated ordeal. We streamline the process by handling the most complex partโthe programmingโbefore the part ever leaves our facility. This is a direct-fit solution for a wide range of GM vehicles.
- โ VIN-Specific Programming: We load the correct GM-certified software for your exact vehicle using your VIN. No guesswork involved.
- โ Cost-Effective Repair: Get a fully functional, programmed module for a fraction of the cost of a new unit from the dealer.
- โ Tested Hardware: This ECM is a genuine OEM part sourced from a salvaged vehicle and has been inspected to ensure its integrity.
- โ Solves Common Issues: An effective fix for DTCs, erratic engine performance, and communication network faults related to a bad ECM.
Important Installation Information: What You Need to Know
While we handle the core programming, please be aware that modern vehicles require a few final setup steps after the new module is installed. This is standard procedure for any ECM replacement. The responsibility for these final steps lies with the installer.
- Theft Deterrent Relearn: This is the most common and critical step. If the vehicle does not start after installation, the security system must be synchronized to the new ECM. This procedure typically requires a capable scan tool or access to the GM TIS2Web system. Many independent shops can perform this service.
- Other Relearns: Depending on your specific vehicle, additional procedures may be necessary. These can include a Crankshaft Position Variation Relearn (Case Learn), idle relearn, or setup for specific fuel injector flow rates. These ensure the engine runs at peak efficiency and accuracy.
Verified Vehicle Fitment for Service Part No. 12669908
Please verify that your original module has the service number 12669908 printed on the label. This module is confirmed to fit the following GM vehicles and options:
- Acadia: 2017 (2.5L, VIN Z), 2018 (2.5L)
- ATS: 2017 (2.0L)
- Cruze: 2017-2018 (Gasoline)
- CTS: 2017 (2.0L)
- Equinox: 2018 (1.5L or 2.0L), 2019 (1.5L, ID 12669908)
- LaCrosse: 2018 (2.5L)
- Malibu: 2017, 2018 (1.8L or 2.0L)
- Regal: 2018 (2.0L)
- Volt: 2017-2018 (Gasoline, ID 12669908)
After placing your order, please send us a message with your 17-digit VIN so we can begin the programming process and get your Programmed GM ECM 12669908 on its way to you.