Get Your Envoy Running Like New Again
Is your GMC Envoy XUV running rough, stalling, or refusing to start? A failing Powertrain Control Module (PCM) can be the source of endless frustration, leaving you stranded and uncertain. This isn’t just a replacement part; it’s the definitive solution to restore your vehicle’s performance and reliability. We provide a professionally programmed PCM, flashed with the latest GM software updates specifically for your vehicle’s VIN. This ensures a seamless installation process, getting you back on the road with confidence and without a costly trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty engine computer is the likely culprit. This module is the solution for:
- Erratic engine performance, stumbling, or misfires
- Complete no-start or intermittent starting problems
- Harsh or incorrect transmission shifting
- Check Engine Light with communication error codes (e.g., P0601, P0606)
- Poor fuel economy and loss of power
By installing our precisely programmed 2004-2005 Envoy XUV PCM, you are directly addressing the root cause of these problems, ensuring your engine and transmission operate exactly as the manufacturer intended.
Features & Real-World Benefits
- ✔ VIN-Specific Programming: We flash the module to your exact VIN, eliminating compatibility issues and ensuring it communicates perfectly with your vehicle’s systems.
- ✔ Latest GM Software Updates: Your PCM arrives with the most current software, which often corrects factory bugs related to fuel efficiency, idle stability, and transmission performance.
- ✔ Plug & Play Installation: Because the unit is pre-programmed, installation is straightforward. In most cases, you will only need to perform a simple security relearn procedure that you can do yourself.
- ✔ Cost-Effective Dealership Alternative: Skip the high labor costs and programming fees at the dealership. This is a complete solution delivered to your door.
- ✔ Quality Tested Hardware: Each module is thoroughly inspected to ensure it meets strict quality standards, giving you a dependable part you can trust for years to come.
Expert Insight: More Than Just a Computer
As a technician, I’ve seen countless GMT360 platform vehicles (Envoy, Trailblazer, Rainier) with perplexing issues that all traced back to the PCM. These P12 controllers are generally robust, but heat cycles and age can cause internal solder joints to fail, leading to intermittent communication drops. This is why you might experience a problem one day and not the next. Simply replacing the hardware isn’t enough. The software is critical. The updated GM calibrations we install can significantly improve 4L60-E transmission shift points and torque converter lockup, making your Envoy feel smoother and more responsive than it has in years. This isn’t just a repair; it’s a restoration of your vehicle’s core operational integrity.
Don’t let a faulty computer dictate when and where you can drive. Take control with a reliable, correctly programmed 2004-2005 Envoy XUV PCM and restore the dependable performance your vehicle was built for. This is the most critical step in resolving complex electronic issues and ensuring your Envoy serves you well for many more miles.
Frequently Asked Questions
Do I need to send you my old PCM?
No, there is no core charge or need to send us your original unit. This is a direct purchase, which saves you time and return shipping costs.
What is the security relearn procedure?
Most GM vehicles of this era use a Passlock or Passkey security system. After installing the new PCM, you will need to perform a simple relearn procedure so the module recognizes your key. This procedure typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating the cycle three times. We include instructions to make it easy.
How do I provide my VIN number?
After you complete your purchase, you can send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your 2004-2005 Envoy XUV PCM until we receive this information, so please provide it promptly to avoid delays.
Is this compatible with other part numbers?
Yes. This module replaces a wide range of original part numbers, including 12573576, 12574976, 12577955, 16255757, and 19210065. As long as your vehicle is on the fitment list, we will program the correct software for your application.
What if I have other modifications on my vehicle?
This PCM is programmed with standard, factory GM calibrations for a stock vehicle. It is not designed to account for significant aftermarket modifications like forced induction, non-standard injectors, or internal engine changes.