Restore Your Envoy’s Performance and Reliability
Is your 2006 GMC Envoy running rough, shifting erratically, or showing a persistent check engine light? A failing Powertrain Control Module (PCM) is often the culprit behind these frustrating issues, leaving you without the dependable SUV you rely on. This pre-programmed PCM is the direct, reliable solution to restore your vehicle’s original performance and get you back on the road with confidence. We eliminate the guesswork and costly dealership visits by programming the module specifically for your vehicle before it ever leaves our facility.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty engine computer may be to blame. This module is the definitive fix for:
- Persistent Check Engine Light (CEL)
- Engine stalling or misfiring
- Poor fuel economy
- Harsh or incorrect transmission shifting
- Vehicle won’t start, despite a good battery and starter
- Communication errors with diagnostic scan tools (U-codes)
- Internal module failure codes (e.g., P0600-P0606)
Our professionally programmed 2006 GMC Envoy PCM is the answer to these problems. We flash the unit with the latest GM software updates using your vehicle’s specific VIN, ensuring it’s a perfect match right out of the box. This process ensures all factory settings for your Envoy’s engine and transmission are perfectly calibrated.
Features & Benefits
- โ VIN-Programmed for Your Envoy: We pre-flash the module to your specific Vehicle Identification Number. This ensures 100% compatibility with your vehicle’s options and systems, no extra programming needed.
- โ Latest GM Software Updates: Your new PCM will be loaded with the most current software from General Motors, often correcting factory bugs and improving performance and efficiency.
- โ Direct-Fit Replacement: Guaranteed to fit and function just like the original module. It replaces a wide range of original part numbers, including 12589585, 12597521, and 12606399.
- โ Solves Common Drivability Issues: Puts an end to frustrating symptoms caused by a failing computer, restoring the smooth and reliable operation you expect.
- โ Cost-Effective Dealership Alternative: Get a fully programmed module delivered to your door, saving you hundreds of dollars in dealership programming fees and diagnostic time.
- โ Backed by a Solid Warranty: This unit is backed by our one-year replacement warranty for your peace of mind.
Expert Insight: The Key to a Lasting Repair
From our 20+ years of experience, we know that proper programming is everything. A generic or non-programmed computer simply won’t work. Your Envoy’s PCM is the central hub, constantly communicating with the transmission, ABS, and body control modules. By programming this 2006 GMC Envoy PCM directly to your VIN, we ensure all those systems ‘handshake’ perfectly, just like the original. This prevents a host of electronic conflicts and avoids a frustrating, costly trip back to the shop. It’s the critical step for a successful, one-and-done repair.
Frequently Asked Questions
Do I need to do any programming myself?
No. This module arrives fully programmed to the VIN you provide during checkout. The only thing you may need to do after installation is a security relearn procedure (also known as a CASE relearn), which is a simple process that can be done without any special tools. We include instructions to guide you.
What is a VIN and why do you need it?
Your VIN is the unique 17-digit Vehicle Identification Number for your Envoy. It’s like a fingerprint for your vehicle, containing information about its engine, transmission, and factory options. We use this to load the exact correct GM software onto your 2006 GMC Envoy PCM, ensuring it works perfectly.
Will this fix my check engine light?
If the check engine light is caused by a faulty PCM, then yes, this part will resolve the issue. It’s crucial to properly diagnose the vehicle first to ensure the PCM is the root cause of the problem and not a separate sensor or wiring issue.
Is this a simple plug-and-play installation?
For the most part, yes. After disconnecting the battery, you simply unplug the old module and plug this one in. As mentioned, a security relearn procedure may be required, which takes about 30 minutes and involves a sequence of key turns. It’s a straightforward process for any DIYer or professional mechanic.
How do I find my part number?
Your original part number is printed on a sticker on the PCM itself. However, you don’t need to match it exactly. As long as your vehicle is listed in our fitment guide, we will program the correct software for your Envoy based on your VIN.