Get Your Truck Back on the Road, Fast.
Is your dependable GM truck or van suddenly running rough, refusing to start, or throwing confusing codes? A failing Powertrain Control Module (PCM) is often the culprit, leaving you stranded and frustrated. This isn’t just an inconvenience; it’s a roadblock to getting your work done or your family where they need to go. We provide the definitive solution: a reliable replacement PCM, professionally programmed to your vehicle’s exact specifications, ready to restore the performance and reliability you depend on.
Common Failure Symptoms & Your Direct Solution
A faulty PCM can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, this module is your likely solution:
- Persistent Check Engine Light (CEL) with communication codes (U-codes) or internal processor codes (P0601, P0606).
- Harsh or erratic automatic transmission shifting.
- Engine stalling, stumbling, or misfiring.
- Complete no-start condition where the engine cranks but won’t fire.
- Poor fuel economy and a noticeable loss of power.
- Inaccurate or non-functioning dashboard gauges.
Instead of a costly trip to the dealership for diagnostics and programming, this module provides a straightforward fix. We handle the complex part—the programming—so you can handle the simple installation. This is the most efficient way to get your vehicle operating correctly again with a quality Programmed 89017733 PCM.
Features & Benefits: The Smart Choice
- ✔ VIN-Specific Programming: We flash the module with the latest GM software updates using your vehicle’s VIN. This ensures perfect compatibility with your engine, transmission, and options, just like the original.
- ✔ Plug-and-Play Installation: Because it’s pre-programmed, this module is ready to install right out of the box. No expensive dealer tools or additional programming required.
- ✔ Cost-Effective Solution: Get a fully functional, programmed module at a fraction of the cost of a new unit from a dealership.
- ✔ Restores Original Performance: Eliminates issues caused by a faulty computer, restoring smooth shifting, proper fuel delivery, and reliable engine operation.
- ✔ Broad GM Compatibility: This specific Programmed 89017733 PCM is a direct replacement for a wide range of hardworking 2003-2004 GM trucks, vans, and SUVs.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Note: Many owners try to save a few dollars with a used module from a salvage yard, only to find it won’t work. That’s because a PCM is locked to the original vehicle’s VIN and options. Without proper programming, it can cause more problems than it solves, from transmission damage to a no-start condition. Our process eliminates that risk entirely. We deliver a component that is electronically matched to your truck, ensuring a successful and lasting repair.
Frequently Asked Questions
What is a PCM and what does it do?
The Powertrain Control Module (PCM) is the central computer of your vehicle. It controls all aspects of the engine and transmission, such as fuel injection, ignition timing, and transmission shift points, to ensure optimal performance, fuel efficiency, and emissions.
Is this part difficult to install?
For most GM trucks and vans of this era, the PCM is located in the engine bay (often under the battery tray) and is held in by a few bolts. Installation involves disconnecting the battery, unplugging the electrical connectors from the old unit, swapping the modules, and reconnecting everything. It’s a task many DIY mechanics can complete with basic hand tools.
Do I need to do anything after installation?
In many cases, the vehicle will start and run correctly immediately. However, for peak performance and to ensure all systems communicate properly, we highly recommend performing a security relearn procedure (if applicable) and a Crankshaft Variation Relearn (also known as a CASE relearn). A qualified mechanic with a capable scan tool can perform the CASE relearn in a few minutes.
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically find this on your vehicle’s dashboard (visible through the windshield on the driver’s side), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents. We cannot ship your Programmed 89017733 PCM until we receive this information.
What if my original module has a different service number?
This module is a direct replacement for all the service numbers listed in the description, including 12581565, 12570557, 12576106, and others. As long as your vehicle is on the compatibility list and your original part number is listed, this unit will function correctly once programmed to your VIN.
Is this a new part?
This is a high-quality, tested, and fully functional replacement module. Each unit is inspected and verified to meet or exceed original equipment standards before being programmed and shipped, ensuring you receive a reliable part that solves your vehicle’s issues.