Is Your Truck or SUV Running Rough? Get Back in Command.
There’s nothing more frustrating than when your dependable GM truck or SUV starts acting up. Whether it’s a stubborn check engine light, erratic shifting, a no-start condition, or just a general loss of power, these issues often point to a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, a faulty PCM can cause a cascade of problems that are difficult to diagnose. This is your direct, reliable solution to restore your vehicle’s performance and get you back on the road with confidence.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing PCM is the likely culprit. This professionally programmed module is designed to be the definitive fix for:
- Harsh or erratic automatic transmission shifting
- Unexplained stalling or engine stumbling
- Poor fuel economy
- Failure to communicate with OBD-II scan tools
- Persistent Check Engine Light (CEL) with codes like P0601, P0602, P0606
- Apparent sensor failures even after replacing the sensors
Instead of spending a fortune at the dealership, our Programmed 89017750 PCM provides a straightforward path to resolving these complex electronic issues. We take the guesswork out of the repair by flashing the module to your specific vehicle before it ever leaves our facility.
Features & Benefits
- ✔ Arrives Programmed to Your VIN: We flash this module with the latest GM-approved software updates specific to your truck or SUV. This ensures a seamless installation process and optimal performance from day one.
- ✔ Simplified Installation: Because it arrives pre-configured for your vehicle, this module is ready to install right out of the box. This saves you a costly trip to the dealership for programming and gets your vehicle running sooner.
- ✔ Restores Peak Performance: By correcting the root cause of drivability issues, this PCM restores the smooth power delivery, crisp shifting, and fuel efficiency you expect from your vehicle.
- ✔ Direct Replacement: Engineered as a perfect match for service number 89017750 and other compatible part numbers, guaranteeing proper communication and function with all vehicle systems.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Note: The End of ‘Ghost’ Problems
I once worked on a 2005 Silverado 2500 that had its owner chasing his tail for months. The truck would randomly misfire and throw codes for the throttle body and MAF sensor. He replaced both, but the problem always returned. A diagnostic check showed the PCM was sending erratic voltage signals. After installing a properly Programmed 89017750 PCM flashed to the truck’s VIN, all the ‘ghost’ electrical problems vanished. The truck ran smoother than it had in years. Don’t waste time and money on unnecessary parts; address the core of the system first.
Frequently Asked Questions
Do I need to do anything after installing this PCM?
In many cases, the vehicle will start and run perfectly after installation. However, some GM vehicles may require a security relearn procedure (often called Passlock or Passkey) and a Crankshaft Variation Relearn (CASE relearn). These procedures are straightforward and can often be performed without special tools. Instructions can be readily found online for your specific model.
How do I provide you with my VIN?
After you complete your purchase, we will contact you for your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it. Please ensure the VIN you provide is accurate to avoid any compatibility issues.
Is this the correct part for my truck?
This module replaces service number 89017750 and several others listed in the description. The best way to confirm compatibility is to check the service number on your current PCM. If it matches one on our list, and your vehicle is in the fitment chart, this is the correct part for you.
What does ‘programmed’ actually mean?
Programming, or ‘flashing’, means we load the module with the specific operational software for your vehicle’s exact make, model, year, engine, and transmission. This is based on your VIN and ensures the computer knows how to manage all the systems correctly, just like the original one from the factory.
Will this fix my transmission shifting problems?
If the shifting problems are caused by faulty electronic commands from the PCM, then yes, this part is the solution. The PCM controls transmission line pressure and shift points, so a failing module is a very common cause of poor shifting performance in these vehicles.