Is Your Acadia Experiencing Frustrating Engine Problems?
If you’re dealing with a persistent Check Engine Light, rough idling, stalling, or a sudden drop in fuel economy, a failing Engine Control Module (ECM) is often the culprit. As a technician with over two decades of experience, I’ve seen how a faulty ECM can turn a reliable vehicle into a constant headache. It’s the brain of your engine, and when it malfunctions, nothing works as it should. This isn’t just an inconvenience; it can affect your vehicle’s safety and performance.
The Direct Solution: A VIN-Programmed 2017 Acadia ECM
Forget the expensive dealership visits and the hassle of finding a local shop with the right programming tools. We provide a straightforward, reliable solution. This ECM, part number 12667189, is meticulously programmed to your vehicle’s specific Vehicle Identification Number (VIN) before it ever leaves our facility. We install the latest, most stable software updates from GM, ensuring your engine operates at its best from the moment of installation.
Expert Pro Tip: Before installing a replacement ECM, I always recommend a quick check of the ignition system. A failing ignition coil or a spark plug wire with excessive resistance can send a voltage spike back to the ECM, damaging the driver circuit. In my shop, I’ve seen this simple oversight cause a brand-new module to fail prematurely. A quick inspection can save you from having to do the job twice.
Key Benefits of Choosing Our Programmed ECM:
- โ VIN-Specific Programming: We flash the module with your exact VIN, ensuring perfect communication with your vehicle’s other systems.
- โ No Additional Programming Needed: This module arrives ready to install. No need for expensive dealer tools like a Tech 2 or MDI.
- โ Latest GM Software Updates: Benefit from the most recent drivability and performance enhancements released by the manufacturer.
- โ Guaranteed Compatibility: This unit is a direct replacement for part numbers 12667002, 12666070, and 12667189.
- โ Resolves Common Failure Symptoms: Effectively addresses issues like no-start conditions, random error codes, poor engine performance, and communication faults.
Simple, Plug-and-Play Installation Guide
You can get your vehicle back on the road without towing it to a dealership. Follow these general steps for a successful installation:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge.
- Locate the ECM: On the 2017 Acadia Limited, the ECM is typically located behind the fan shroud. Consult a service manual for your specific model if unsure.
- Disconnect Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the old module. Inspect the pins for any corrosion or damage.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed ECM and securely plug in the electrical connectors until they click into place.
- Reconnect Battery: Reattach the negative battery terminal. Your vehicle is now ready to start. A security relearn procedure may be required, which typically involves cycling the key.
Verified Vehicle Fitment Information
This Engine Control Module is a confirmed fit for the following vehicles with the specified options. Please verify your part number or contact us with your VIN to ensure compatibility.
- ACADIA 2017: Electronic Control Module; VIN J (11th digit, Limited), (behind fan shroud)
- CAPRICE 2017: Electronic Control Module; 3.6L
- ENCLAVE 2017: Electronic Control Module; (behind fan shroud)
- EQUINOX 2017: Electronic Control Module; (LH engine compartment)
- IMPALA 2017-2019: Electronic Control Module
- REGAL 2017: Electronic Control Module; (LH engine compartment)
- TERRAIN 2017: Electronic Control Module; (LH engine compartment)
- TRAVERSE 2017: Electronic Control Module; (behind fan shroud)
- VERANO 2017: Electronic Control Module
- XTS 2017-2019: Electronic Control Module; (3.6L), VIN 3 (8th digit, opt LFX)
After purchasing, please send us your vehicle’s 17-digit VIN. We cannot ship your part until we have this information to complete the programming.