Restore Your Truck’s Reliability and Performance
Is your truck suffering from a persistent check engine light, erratic shifting, a rough idle, or even a no-start condition? These frustrating and unpredictable issues often point directly to a failing Powertrain Control Module (PCM), the computer that serves as your vehicle’s brain. Instead of dealing with uncertainty, get the definitive, reliable solution. This PCM is professionally programmed to your vehicle’s specific VIN, ensuring it works correctly right out of the box, getting you back on the road with confidence.
Common Symptoms & Your Solution
A faulty PCM can cause a wide range of problems that can make your vehicle unreliable for work or family duties. If you’re experiencing any of the following, this module is your answer:
- Persistent Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) related to internal module failure (e.g., P0600-P0606)
- Harsh or delayed transmission shifting
- Poor fuel economy
- Engine stalling, stumbling, or misfiring
- Failure to pass emissions testing
- Intermittent no-start conditions
By replacing your old unit with this professionally programmed 1999 Chevy Silverado 1500 PCM, you’re not just swapping a part; you’re restoring the core of your vehicle’s operational logic with the latest GM software updates for optimal performance.
Features & Benefits
- ✔ VIN-Specific Programming: We flash the module with your vehicle’s exact VIN, guaranteeing compatibility and eliminating the need for expensive dealership programming.
- ✔ Plug & Play Installation: Once you receive the part, installation is straightforward. In most cases, it’s a direct swap that gets your truck running correctly again.
- ✔ Updated GM Software: Your module arrives with the newest software updates from General Motors, which can resolve factory bugs and improve transmission shifting and fuel efficiency.
- ✔ Cost-Effective Repair: Avoid the high costs and long wait times associated with dealership repairs. This is the smart, efficient way to fix your truck.
- ✔ Broad Compatibility: An exact replacement for part number 16263494 and compatible with a wide range of GM trucks, vans, and SUVs from the era (see full fitment list).
Expert Insight: The Critical Role of Correct Programming
As a technician, I’ve seen countless vehicle issues stem from improperly programmed modules. Simply installing a used computer from a junkyard won’t work on these GM vehicles due to the Vehicle Anti-Theft System (VATS). The module must be correctly matched to your truck’s VIN. Our process ensures this critical step is done for you, saving you from the headache of a truck that won’t start after the repair. We handle the complex part so you can focus on the simple installation.
Don’t let a faulty computer keep your dependable truck off the road. This is the most reliable and straightforward way to solve your PCM problems. For anyone needing a replacement 1999 Chevy Silverado 1500 PCM or a module for a compatible GM vehicle, this is the quality solution you’ve been looking for. After purchase, simply provide us with your VIN, and we’ll handle the rest, shipping you a part that’s ready to restore your vehicle’s performance and reliability.
Frequently Asked Questions
What is a PCM and what does it do?
The Powertrain Control Module (PCM) is the main computer in your vehicle. It controls all aspects of the engine and transmission, including fuel mixture, ignition timing, and transmission shift points, to ensure optimal performance, fuel economy, and emissions.
Is this module difficult to install?
Installation is generally straightforward for someone with basic mechanical skills. The PCM is typically located in the engine bay and is removed by disconnecting the battery, unplugging the electrical connectors, and unbolting the unit. Because we program it to your VIN, no special computer tools are needed for the installation itself.
Will I need to do anything after installation?
In many cases, you may need to perform a simple security relearn procedure, also known as a VATS relearn. This can typically be done without any special tools and involves a sequence of key turns. This syncs the new PCM with your vehicle’s anti-theft system. We can provide instructions for this simple process.
How do I provide my VIN?
After you complete your purchase, you can send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as it is essential for the programming process.
Will this fix my check engine light?
If the check engine light is on due to an internal fault with your original PCM, then yes, this part is designed to be the correct solution. It’s always recommended to have your vehicle properly diagnosed to confirm the PCM is the point of failure before ordering.
Is this compatible with other part numbers?
Yes, this unit directly replaces part number 16263494 and is also a compatible service replacement for several other numbers, including 16265035 and 8162634940. Please check the detailed fitment list to confirm compatibility with your specific vehicle.