Is Your Pontiac Wave Running Rough? Get a Reliable, Programmed ECM Solution

If you’re dealing with a frustrating check engine light, poor fuel economy, stalling, or a no-start condition in your 2009–2010 Pontiac Wave, a failing Engine Control Module (ECM) is a very likely culprit. As the central computer for your engine, when the ECM goes bad, it can cause a cascade of problems that are impossible to ignore. I’ve seen it hundreds of times in my shop: a vehicle comes in with baffling symptoms, and after diagnostics, the trail leads directly back to a faulty engine computer.

This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM-spec ECM and program it specifically to your vehicle’s VIN (Vehicle Identification Number). This process loads the latest, most stable software updates from GM, which often correct underlying drivability issues the factory may have identified after your car was built. The result is a module that restores original performance and reliability, without the astronomical cost and hassle of a dealership visit.

Why Choose a VIN-Programmed 2009–2010 Wave ECM?

Ordering a generic, unprogrammed module from a parts store leaves you stranded. It won’t start your vehicle and will still require a tow to a dealer or specialized shop for expensive programming. Our service eliminates that entire step. By providing your VIN during checkout, you receive a unit that is truly plug-and-play.

• ✔ No Additional Programming Needed: This module arrives ready to install right out of the box.
• ✔ Fixes Common Symptoms: Effectively resolves issues like random misfires, harsh shifting, no-start conditions, and persistent diagnostic trouble codes (DTCs).
• ✔ Latest GM Software: We flash the module with the newest updates to improve engine efficiency, emissions, and overall performance.
• ✔ Cost-Effective Repair: Save hundreds of dollars compared to dealership parts and labor costs.
• ✔ Direct-Fit Guarantee: Engineered to match the original form and function for a seamless installation.

Simple, DIY-Friendly Installation Guide

You don’t need to be a master technician to replace your ECM. With basic hand tools, you can get your Wave back on the road. Follow these steps for a successful installation:

1. Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to discharge.
2. Locate the ECM: On most GM compacts like the Wave, Aveo, and G3, the ECM is typically found in the engine bay, often near the battery or firewall.
3. Disconnect Connectors: Carefully release the locking tabs on the electrical wiring harnesses and pull them straight out from the module. Never force them. Inspect the pins for any corrosion or damage.
4. Remove the Old Module: Unbolt the old ECM from its mounting bracket.
5. Install the New ECM: Mount your new, pre-programmed module in place and secure the bolts.
6. Reconnect Everything: Firmly plug the wiring harnesses back into the new ECM until they click into place. Reconnect the negative battery terminal.
7. Final Step: Your vehicle is ready to start. The security system will automatically relearn the new module on the first key cycle.

Guaranteed Compatibility

This Engine Control Module is a direct replacement for part number 12679199 and is also fully compatible with the following interchangeable part numbers: 12642927, 12636386, 12621466, and 12630789. It is guaranteed to fit and function in the following vehicles:

• 2009-2011 Chevrolet Aveo
• 2011-2012 Chevrolet Cruze (1.8L Engine)
• 2012 Chevrolet Sonic (1.8L Engine)
• 2013 Chevrolet Spark
• 2013-2014 Chevrolet Trax (1.8L Engine)
• 2009-2010 Pontiac G3
• 2009-2010 Pontiac Wave

Take control of your repair. Order your pre-programmed 2009–2010 Wave ECM today and restore your vehicle’s drivability and confidence.