Is Your 2006 Montana’s Engine Acting Unpredictably?
If you’re dealing with a 2006 Pontiac Montana, or another GM vehicle from that era like an Uplander, Terraza, or Equinox, you might be pulling your hair out over some baffling issues. Does any of this sound familiar? The check engine light is on, but the codes are all over the place. The transmission shifts harshly or gets stuck in one gear. Maybe the engine cranks but won’t start, or it stalls randomly at a stoplight. These aren’t just minor annoyances; they’re symptoms of a failing Powertrain Control Module (PCM), the brain of your vehicle.
Over my two decades turning wrenches and diagnosing these exact vehicles, I’ve seen countless PCMs give up the ghost. Located in the left-hand (LH) engine compartment, these modules are subjected to constant heat cycles and vibrations. Over time, the internal solder joints can crack, and electronic components can fail, leading to a cascade of communication errors and performance problems that can mimic a dozen other faulty parts.
“A customer’s 2006 Montana SV6 came in last week with these exact symptoms…”
The van would randomly stall and refuse to restart for 10-15 minutes. The owner had already replaced the crank sensor and fuel pump based on codes he pulled. When I hooked up my professional scan tool, I saw a U0100 ‘Lost Communication with ECM/PCM’ code. After verifying the power, ground, and data lines to the module were solid—a critical diagnostic step—it was clear the PCM itself was failing internally when it got hot. We installed one of our pre-programmed modules, performed the security relearn, and the van has been running perfectly ever since. It saved the customer from chasing phantom problems and spending hundreds more on unnecessary parts.
The Direct Solution: A VIN-Programmed PCM
Stop throwing parts at the problem. This Powertrain Control Module is the definitive solution for a faulty original unit. It’s not just a replacement part; it’s a complete service. We take a fully tested, reliable module and program it with the very latest vehicle-specific software from General Motors. All we need is your Vehicle Identification Number (VIN) to make it happen.
Why Choose Our Programmed Module?
- ✔ Eliminate Guesswork: This module arrives ready to be installed, programmed specifically for your vehicle’s systems and options.
- ✔ Latest GM Software: We flash the unit with the newest updates, which often correct factory bugs related to fuel economy, emissions, and transmission performance.
- ✔ No Dealer Required: You get to skip the expensive trip to the dealership for programming. This saves you significant time and money.
- ✔ Plug & Play Installation: After installation, you will only need to perform a simple security relearn procedure (often called a Passlock or anti-theft relearn), which requires no special tools. We can provide instructions for this.
Simple Ordering & Installation Process
Getting your vehicle back to factory-spec operation is straightforward. After you complete your purchase, simply send us your 17-digit VIN. Our technicians will handle the programming, ensuring the module is a perfect match for your vehicle. Once it arrives, installation is as simple as disconnecting the battery, swapping the old module for the new one, and performing the security relearn. It’s a job most DIYers can handle in their own driveway.
Guaranteed Compatibility
This module, identified by service numbers 19210070 or 12600928, is a direct-fit replacement for a wide range of GM vehicles. Please verify your vehicle is on the list below:
- ✔ 2006 Pontiac G6: (Electronic Control Module; LH front engine compartment), ID 12600928
- ✔ 2006-2007 Buick Rendezvous: (Electronic Control Module; 3.5L)
- ✔ 2006 Chevrolet Uplander: (Electronic Control Module; LH engine compartment), 3.5L
- ✔ 2006 Pontiac Torrent: (Electronic Control Module; LH engine compartment)
- ✔ 2006 Chevrolet Malibu: (Electronic Control Module; 3.5L)
- ✔ 2006 Chevrolet Equinox: (Electronic Control Module; LH engine compartment)
- ✔ 2006 Buick Terraza: (Electronic Control Module; LH engine compartment), 3.5L
- ✔ 2006 Pontiac Montana: (Electronic Control Module; LH engine compartment), (SV6), 3.5L