Restore Peak Performance to Your GM Vehicle
Is your truck or SUV suffering from frustrating issues like a persistent check engine light, erratic shifting, poor fuel economy, or even a no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the central computer of your vehicle. Don’t let a faulty module keep you off the road. This direct-replacement programmed 89017734 PCM is the reliable, straightforward solution you need to get your vehicle running like new again.
Common Symptoms & Your Solution
A failing PCM can cause a wide range of problems that can be difficult to diagnose. If you’re experiencing any of the following, this module is your answer:
- Unexplained Check Engine Light (with codes related to module communication, sensors, or actuators)
- Harsh or incorrect automatic transmission shifting
- Engine stumbling, misfiring, or stalling
- Complete failure to start the engine
- Poor performance and reduced gas mileage
- Communication errors with diagnostic scan tools
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We flash the module with the latest official GM software updates, specifically matched to your vehicle’s unique VIN. This critical step ensures all systems—from the engine and transmission to the emissions equipment—function exactly as the manufacturer intended. By installing our programmed 89017734 PCM, you’re not just fixing a problem; you’re restoring your vehicle’s original performance and reliability.
Features & Tangible Benefits
- âś” Plug & Play Installation: This module arrives pre-programmed to your vehicle’s VIN. No expensive trips to the dealership for programming are required.
- âś” Updated GM Software: We load the newest calibrations from General Motors, which can solve factory bugs and improve drivability and efficiency.
- âś” Guaranteed Compatibility: By using your VIN, we ensure this module is a perfect match for your vehicle’s specific options and systems.
- âś” Restored Drivability: Eliminate rough idling, poor shifting, and other performance issues for a smoother, more responsive driving experience.
- âś” Cost-Effective Solution: Avoid the high costs and scheduling hassles of a dealership repair with a part that’s ready to go right out of the box.
- âś” Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: The Brains Behind Your Workhorse
The PCM in your early-to-mid 2000s GM truck or SUV, often referred to as the P59 controller, is incredibly sophisticated. It does far more than just manage the engine. It’s the central command for the transmission, the anti-lock brakes, and even communicates with the body control module. When it fails, the symptoms can seem random and unrelated. That’s why a properly flashed replacement is so critical. Simply installing a used module from another vehicle won’t work, as it’s not matched to your truck’s specific hardware. Our VIN-specific programming ensures every parameter is correct, giving you a seamless and effective repair every time.
Take the guesswork out of your repair. With our programmed 89017734 PCM, you’re getting a reliable, professionally prepared component that restores the heart of your vehicle’s electronics. Get back on the road with confidence and the performance you depend on.
Frequently Asked Questions
What do you need from me to program the PCM?
After you complete your purchase, we will need the 17-digit Vehicle Identification Number (VIN) from your vehicle. You can typically find this on your driver’s side dashboard (visible through the windshield) or on the driver’s side door jamb sticker.
Is this part difficult to install?
For most of the listed GM trucks and SUVs, the PCM is located in the engine bay, often under the battery tray or next to the airbox. Installation typically involves disconnecting the battery, unplugging the electrical connectors, and unbolting the module. It is a straightforward job for a DIYer with basic mechanical skills.
Will I need to do anything after installation?
In many cases, you may need to perform a security relearn procedure (often called a CASE relearn or Passlock relearn) to sync the new PCM with your vehicle’s anti-theft system. This procedure can usually be done without special tools and instructions are widely available online for your specific model.
What does the PCM actually do?
The Powertrain Control Module (PCM) is your vehicle’s main computer. It controls the engine’s fuel injection, ignition timing, emissions systems, and the automatic transmission’s shift points. A properly functioning PCM is essential for performance, fuel economy, and reliability.
How do I know if this part number is correct for me?
This module replaces several service numbers, including 89017750, 12582605, 12589463, and 12602802. The best way to ensure compatibility is to provide us with your VIN. Our programming process guarantees the module we send is correct for your exact vehicle configuration.