Restore Peak Performance to Your GM Truck or SUV
Is your trusted 1998-1999 Chevy Tahoe, Suburban, or GMC Yukon plagued by frustrating engine issues? Stalling, a persistent check engine light, or a no-start condition can sideline the vehicle you rely on every day. This Powertrain Control Module (PCM) is the definitive solution, arriving at your door fully programmed to your vehicle’s specific VIN. We take the guesswork out of the repair, providing a reliable, plug-and-play component that gets you back on the road with confidence.
Common Failure Symptoms & Your Direct Solution
A failing engine computer can manifest in numerous ways, often mimicking other sensor failures. If you’re experiencing any of the following, a faulty PCM is a likely culprit. This unit is designed to resolve these exact problems:
- Unexplained Check Engine Light (CEL) with codes like P0601, P0605, or P0606
- Engine stalling or cutting out while driving
- Harsh or erratic automatic transmission shifting
- Complete no-start condition where the engine cranks but won’t fire
- Poor fuel economy and reduced engine power
- Communication errors with diagnostic scan tools
By ordering our pre-programmed 1998-1999 Tahoe PCM 16266645, you are getting a direct, effective fix. We handle the complex programming, so you can focus on the straightforward installation.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash this computer with your truck’s VIN and the latest GM software updates, ensuring it works seamlessly with your specific configuration right out of the box.
- ✔ Simple Plug-and-Play Installation: No need for expensive trips to the dealership for programming. Once you receive the module, you can install it and, in most cases, be back on the road immediately.
- ✔ Cost-Effective Repair: This is a high-quality, tested, used OEM component that provides a reliable solution without the high cost of a new-from-dealer part.
- ✔ Broad Compatibility: A direct replacement for multiple part numbers, including 16266645, 09355699, and more, covering a wide range of GM trucks, vans, and SUVs from the era.
- ✔ Restored Drivability: Get back the smooth idle, crisp throttle response, and reliable performance your vehicle had when it was new.
- ✔ One-Year Protection: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
As a veteran tech, I can’t stress this enough: for these late-90s GM vehicles, proper VIN programming is not just a convenience—it’s critical. This isn’t just about the engine; the PCM communicates with the transmission, the anti-theft system (VATS/Passlock), and the instrument cluster. An incorrectly programmed or non-programmed module can lead to a no-start condition due to security conflicts or cause severe transmission damage from incorrect shift commands. We ensure the program matches your vehicle’s DNA, preventing these headaches and guaranteeing a successful repair.
Don’t let a faulty computer keep your workhorse in the driveway. This programmed 1998-1999 Tahoe PCM 16266645 is the most dependable and straightforward way to solve complex electronic issues and restore the function of your vehicle. After purchase, simply provide us with your VIN, and we’ll handle the rest.
Frequently Asked Questions
Do I need to do any programming myself?
No. This PCM arrives fully programmed to your vehicle’s VIN. It is designed to be a plug-and-play solution. In some cases, a simple anti-theft relearn procedure may be required, which can be done without any special tools.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to send it to us. We cannot ship your part until we receive the VIN.
Is this a new computer?
No, this is a thoroughly tested, genuine OEM used part that has been sourced from a salvaged vehicle. We inspect and verify the function of each unit before programming and shipping it to you.
Will this fix my specific problem or check engine light?
This module will correct any issues directly caused by a faulty PCM. While it solves a wide range of common problems, it’s important to ensure your vehicle’s other components (like sensors and wiring) are in good working order. A proper diagnosis is always recommended.
How can I confirm this part fits my vehicle?
The best way is to match the service number on your current computer to one of the compatible numbers listed, such as 16266645 or 09355699. You can also review the detailed fitment list provided on this page or contact us with your VIN for confirmation.