Is Your 2006 Pontiac Montana Running Poorly?
If you’re dealing with a persistent Check Engine Light, unexplained stalling, rough idling, or a sudden drop in fuel economy in your 2006 Pontiac Montana, the root cause is often a failing Engine Control Module (ECM). As the central computer of your vehicle, the ECM is responsible for managing everything from fuel injection and ignition timing to emissions controls and transmission shifting. When it begins to fail, it can create a cascade of frustrating and difficult-to-diagnose problems.
Don’t let a faulty computer keep your reliable minivan off the road. This replacement ECM, part number 19210737, is the definitive solution to restore your vehicle’s original performance and reliability. We take the guesswork out of the repair by pre-programming the module specifically for your vehicle using your VIN. This ensures that it arrives ready for installation, loaded with the latest factory software updates from GM for optimal performance and efficiency.
From the Diagnostic Bay
We had a 2006 Montana SV6 in the shop that was driving the owner crazy. It would randomly stall at stoplights, and the transmission would sometimes shift harshly for no reason. There were no consistent trouble codes, just a generic communication error that would pop up now and then. We checked wiring, sensors, and grounds for two days. Finally, we monitored the live data stream from the ECM and noticed the processor would occasionally drop sensor readings for a split second—just long enough to cause a problem but not long enough to set a specific code. Swapping in a VIN-programmed ECM like this one solved everything instantly. The van ran smoother than it had in years, and the owner was thrilled to have their dependable family vehicle back.
Restore Peak Performance with a 2006 Montana Engine Module
Your vehicle’s engine management system is a complex network, and the ECM is at its heart. A failing module can lead to incorrect signals being sent to critical components, resulting in poor performance. By replacing your old unit with this precisely programmed module, you are restoring the brain of your vehicle’s operations. This isn’t just a replacement part; it’s a restoration of your vehicle’s intended functionality, ensuring all related systems operate in perfect harmony as designed by the manufacturer.
Common Symptoms of a Failing ECM
- ✔ Check Engine Light is illuminated or flashing
- ✔ Engine stalling or misfiring unexpectedly
- ✔ Difficulty starting the vehicle or a complete no-start condition
- ✔ Noticeable decrease in fuel efficiency
- ✔ Poor acceleration and overall engine performance
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Communication errors with diagnostic scan tools
Plug-and-Play Solution with VIN Programming
The biggest hurdle when replacing a modern vehicle computer is the need for expensive and specialized programming tools. We eliminate this step for you. When you place your order, simply provide us with your vehicle’s 17-digit VIN. Our technicians will use this information to flash the module with the exact software and calibrations for your 2006 Montana, including any anti-theft system (Passlock/VATS) information. This makes the installation process straightforward, often requiring only basic hand tools and a battery disconnect. Once installed, your vehicle will recognize the new module, and you’ll be ready to get back on the road.
This module is a direct replacement for service number 19210737 and is also interchangeable with the following part numbers: 12590032, 12602044, 12603530, 12605843, 12607096, 12630457. Please verify your part number or consult the extensive fitment list to ensure compatibility.
Frequently Asked Questions
Do I need to have this module programmed?
No. We handle all the programming for you before shipment. You just need to provide your vehicle’s VIN during or after checkout. It will arrive ready to install.
Where do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a placard on the driver’s side dashboard visible through the windshield.
Is any additional setup required after installation?
In some cases, a Case Relearn or Crankshaft Position Sensor Relearn procedure may be necessary. This can often be done with a capable bi-directional scan tool or by following a specific drive cycle. However, for many installations, the vehicle will start and run correctly immediately.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty ECM. While the symptoms listed are common indicators of ECM failure, it’s essential to ensure your vehicle has been properly diagnosed by a qualified technician to rule out other potential causes like faulty sensors or wiring issues.
Is this compatible with other GM vehicles?
Yes, this ECM is compatible with a wide range of GM vehicles from roughly 2005 to 2010. Please check the detailed fitment list provided on this page to confirm it is the correct part for your specific year, make, model, and engine.