Is Your Verano Experiencing Mysterious Engine Problems?
If you’re dealing with a persistent check engine light, rough idling, stalling, or even a no-start condition, the problem might not be a faulty sensor or spark plug. The Engine Control Module (ECM) is the brain of your vehicle, and when it starts to fail, it can create a cascade of confusing and frustrating issues. As a technician with over two decades of experience, I’ve seen firsthand how a failing ECM can mimic other component failures, leading to wasted time and money on unnecessary repairs.
From the Shop Floor: A Real-World Diagnostic Story
“A customer’s 2017 Impala came into my shop last month with a check engine light and a complaint of poor fuel economy. They had already replaced two oxygen sensors at another shop, but the code for ‘O2 Sensor Heater Circuit Malfunction’ kept returning. After a quick check with my multimeter, I found the sensor’s heater circuit had power, but the ECM wasn’t providing the ground to complete the circuit. The issue wasn’t the sensor at all; it was a failed driver inside the original ECM. We installed a VIN-programmed module like this one, and the problem was solved instantly. It’s a classic case where the root cause is the computer, not the parts it controls.”
The Direct-Fit Solution: A Pre-Programmed 2017 Verano ECM
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM Engine Control Module and professionally program it to your vehicle’s specific Vehicle Identification Number (VIN). This critical step ensures that the computer communicates flawlessly with your car’s security system, transmission, and other modules, restoring its original performance and reliability.
Key Benefits of This Engine Computer:
- โ VIN-Programmed for Your Vehicle: We flash the module with the latest GM software updates using your VIN. This ensures 100% compatibility and optimal performance.
- โ No Dealer Visit Required: Because the programming is done before we ship, you can skip the expensive trip to the dealership for coding or key relearning.
- โ Solves Common ECM Failure Symptoms: Effectively addresses issues like false trouble codes, erratic engine behavior, poor fuel mileage, and communication errors.
- โ Direct-Fit Replacement: Guaranteed to be a perfect match for original part numbers 12667002, 12666070, and 12667189.
Plug-and-Play Installation: Get Back on the Road Fast
Installing your new ECM is a straightforward process that you can do at home with basic tools. Follow these steps for a successful installation:
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes for the system capacitors to discharge.
- Locate the ECM: On the 2017 Verano, the ECM is typically found in the engine compartment on the driver’s side. Consult your owner’s manual for the exact location.
- Disconnect Connectors: Carefully unclip the wiring harness connectors from the old ECM. Inspect the connectors for any signs of corrosion or damage. If you see any green or white buildup, clean it thoroughly with an electrical contact cleaner before proceeding.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed ECM in place and securely tighten the bolts.
- Reconnect and Secure: Plug the wiring harnesses firmly into the new module until they click. Reconnect the negative battery terminal.
- Final Check: Start the vehicle. It may run slightly rough for the first few minutes as the computer completes its internal self-tests and idle relearn process. The check engine light should be off, and your vehicle should run smoothly.
Guaranteed Fitment for Your GM Vehicle
This module is a confirmed fit for a wide range of GM models. Please verify your vehicle and options below to ensure compatibility:
- 2017 Buick Verano
- 2017 Buick Regal (LH engine compartment)
- 2017 Buick Enclave (behind fan shroud)
- 2017 Cadillac XTS (3.6L, VIN 3)
- 2017-2019 Cadillac XTS (3.6L, VIN 3)
- 2017 Chevrolet Caprice (3.6L)
- 2017 Chevrolet Traverse (behind fan shroud)
- 2017-2019 Chevrolet Impala
- 2017 Chevrolet Equinox (LH engine compartment)
- 2017 GMC Acadia (Limited, VIN J)
- 2017 GMC Terrain (LH engine compartment)
IMPORTANT: After purchasing, please send us your vehicle’s 17-digit VIN. We cannot ship your order until we have this information to program the module specifically for you.