Restore Your Truck’s Power and Reliability
Is your dependable GMC Yukon suddenly running rough, stalling, or showing a persistent Check Engine Light? A failing Powertrain Control Module (PCM), the brain of your vehicle, can bring your truck to a frustrating halt. This pre-programmed PCM is the direct, reliable solution to get your Yukon back on the road and running like it should. We eliminate the guesswork and expensive dealership visits by programming this unit specifically to your truck’s VIN before it ever leaves our facility.
Common Symptoms of a Failing PCM & Your Solution
If you’re experiencing any of the following issues, a faulty engine computer is a likely culprit. This unit is the definitive solution for:
- Erratic or no-start conditions
- Poor engine performance and rough idling
- Reduced fuel economy
- Harsh or incorrect automatic transmission shifting
- Persistent Check Engine Light with codes related to sensors or module communication
- Stalling for no apparent reason
Instead of struggling with a problematic vehicle, this 1999 GMC Yukon PCM replacement arrives ready to install, restoring the precise control and performance your truck needs.
Features & Benefits
- โ Plug & Play Installation: This module is professionally flashed with the latest GM software updates using your vehicle’s unique VIN. This ensures it works seamlessly with your truck’s systems right out of the box, with no additional programming required.
- โ Guaranteed Compatibility: This genuine, used OEM unit is a direct replacement for multiple part numbers, including 16266645 and 09355699, ensuring a perfect fit for a wide range of GM trucks, vans, and SUVs.
- โ Cost-Effective Repair: Get your vehicle back in top condition without the high costs and scheduling hassles of a dealership service department. This is a smart, affordable fix for the capable vehicle owner.
- โ Restored Drivability: By correcting engine and transmission control signals, this PCM will help restore smooth shifting, consistent power delivery, and optimal fuel efficiency.
- โ Peace of Mind: This unit is backed by our one-year replacement warranty. Drive with confidence knowing your purchase is protected.
Expert Insight: The Heart of Your GMT400
Many owners of these classic late-90s GM trucks don’t realize how critical the PCM is. It’s not just a computer; it’s the central command for everything from fuel mixture and spark timing to transmission line pressure. A generic, un-programmed unit can cause more problems than it solves. By flashing this module specifically to your Yukon’s VIN, we ensure all factory parameters are perfectly matched. We’re not just sending a part; we’re restoring your truck’s original logic for a lasting, reliable repair. A proper 1999 GMC Yukon PCM replacement is key to keeping these workhorses on the road.
Take control of your repair and get your truck back to its dependable self. This is more than just a part; it’s the solution to get you back to work, back to your family, and back on the road with confidence. With a quality-inspected OEM part and professional VIN programming, this 1999 GMC Yukon PCM replacement is the right choice for your vehicle.
Frequently Asked Questions
Do I need to do any programming myself?
No. This PCM comes fully pre-programmed to the VIN you provide after your purchase. It is designed for a plug-and-play installation. In some cases, a security or crank relearn procedure may be necessary, which can be done with a capable scan tool or by a local mechanic.
Where do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, your insurance card, or on the driver’s side of the dashboard, visible through the windshield.
Is this a new part?
No, this is a high-quality, tested, and fully functional used OEM part that has been sourced from a salvaged vehicle. We inspect each unit to ensure it meets our quality standards before programming and shipping.
What if my original part number isn’t 16266645?
This computer is a direct replacement for several part numbers, including 09355699, 16250279, and others listed in the description. As long as your vehicle is listed in the compatibility chart, we will program the module to function correctly for your specific application.
How do I provide my VIN?
After you complete your purchase, you will need to send us a message with your vehicle’s VIN. We cannot program and ship your order until we receive this information.