Is Your Vehicle Running Rough, Stalling, or Refusing to Start?
A failing Powertrain Control Module (PCM) can be the source of countless frustrating and hard-to-diagnose issues. From a persistent check engine light to unpredictable performance problems, a faulty engine computer can bring your work truck, family SUV, or performance car to a grinding halt. This isn’t just an inconvenience; it’s a disruption to your life. You need a solution that is reliable, straightforward, and gets you back on the road without the excessive cost and hassle of a dealership visit. This is the definitive fix for your vehicle’s electronic heart.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty PCM is the likely culprit. This professionally prepared module is designed to resolve these exact problems:
- Persistent Check Engine Light (CEL)
- Engine Stalling or Misfiring
- Rough or Erratic Idle
- Poor Fuel Economy
- Failure to Communicate with Scan Tools
- Vehicle Won’t Start
- Error codes such as P0601, P0602, P0603, P0604, P0605, or P0606
Instead of guessing with used parts from a junkyard, get a dependable, programmed 89017739 PCM that arrives ready for installation. We take the guesswork out of the repair, providing a unit flashed with the latest GM software updates specifically for your vehicle’s VIN.
Features & Real-World Benefits
- ✔ Plug & Play Installation: This module is delivered pre-programmed to your exact VIN. This means no expensive trips to the dealer for programming—simply install the unit and perform the security relearn procedure to get back on the road.
- ✔ Updated GM Software: We flash each computer with the newest vehicle-specific software from General Motors. This ensures optimal engine performance, fuel efficiency, and transmission shifting.
- ✔ Guaranteed VIN-Match: By programming to your VIN, we ensure the module is a perfect match for your vehicle’s specific options and systems, from the engine and transmission to emissions equipment.
- ✔ A Reliable, Lasting Fix: Each module is meticulously inspected and prepared to meet or exceed original factory standards, providing a dependable solution to your vehicle’s issues.
- ✔ Peace of Mind Guaranteed: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
As a technician with over 20 years of experience, I’ve seen countless vehicle issues caused by improperly matched control modules. A generic, non-programmed computer simply won’t work. The VIN tells the PCM everything it needs to know: the engine size, transmission type, gear ratios, and even the anti-theft system (VATS/Passlock). Our VIN-specific programming for this programmed 89017739 PCM ensures every one of those parameters is correct, preventing frustrating no-starts, communication errors, and incorrect transmission behavior. We handle this critical step for you, so your repair is done right the first time.
Frequently Asked Questions
How does the programming process work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). We use this number to load the exact, most current GM-certified software for your specific make, model, and options into the programmed 89017739 PCM before we ship it.
Do I need to do anything after installation?
Yes. After installing the module, you will need to perform a security relearn procedure, often called a VATS or Passlock relearn. This procedure syncs the new PCM with your vehicle’s anti-theft system and keys. It typically takes about 30 minutes and can be done without any special tools. We can provide instructions for this simple process.
How do I know this is the correct part for my vehicle?
This module, part number 89017739, fits a wide range of 2004-2005 GM vehicles. Please check the detailed fitment list on this page. The most important step is providing your VIN, which allows us to confirm compatibility and program it perfectly for your specific application.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of your original PCM (e.g., codes P0601-P0606), then this replacement unit is the correct solution. However, if the light is on due to a separate issue like a faulty sensor or wiring problem, you will still need to diagnose and repair that underlying cause.
What is your warranty policy?
This unit is backed by our one-year replacement warranty. Should you encounter any issues with the module itself within one year of purchase, we will provide a replacement.