Restore Peak Performance to Your 1996 GM Vehicle
Is your 1996 Buick, Oldsmobile, or Pontiac plagued by frustrating issues like a persistent check engine light, rough idling, stalling, or poor fuel economy? 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 professionally programmed PCM is the definitive, reliable solution to restore your car’s original performance and dependability.
Common Symptoms & Your Solution
A failing PCM can cause a wide range of confusing problems that can be difficult to diagnose. If you’re experiencing any of the following, this module is your answer:
- Unexplained Check Engine Light (CEL)
- Engine Stalling or Misfiring
- Harsh or Inconsistent Automatic Transmission Shifting
- Noticeable Decrease in Fuel Efficiency
- Failure to Pass Emissions Testing
- Complete No-Start Condition
This 1996 GM PCM 16211539 is programmed specifically to your vehicle’s unique Vehicle Identification Number (VIN), ensuring it works seamlessly with your engine and transmission right out of the box. It effectively replaces a faulty original unit, resolving the root cause of these performance issues.
Features & Benefits
- โ VIN-Programmed for Your Car: Arrives ready for installation with the latest GM software updates. No expensive trips to the dealer for programming are required.
- โ Plug & Play Installation: Simply disconnect your old module and connect this one. It’s designed for a straightforward swap.
- โ Restores Original Function: Corrects issues with fuel mixture, ignition timing, and transmission control to bring back the smooth, efficient performance you expect.
- โ Direct-Fit Replacement: Engineered to be a perfect match for service numbers 88963800, 16211539, and 16231853, guaranteeing compatibility.
- โ Rigorously Inspected: Each unit is thoroughly checked to ensure it meets strict quality and performance standards for long-term reliability.
- โ This unit is backed by our one-year replacement warranty.
An Expert’s Note on Programming: As a technician with over two decades of experience, I’ve seen firsthand how crucial correct programming is. A PCM isn’t just a generic part; it’s the brain of your vehicle’s powertrain. Flashing it specifically to your car’s VIN ensures that all systemsโfrom the fuel injectors to the transmission shift pointsโcommunicate perfectly, just as the engineers intended. This step is the key difference between a temporary patch and a lasting, reliable repair. This is why we handle the programming for you before it ever leaves our facility.
Frequently Asked Questions
Do I need to do any programming myself?
Absolutely not. We program the module to the VIN you provide during checkout. The unit will arrive ready to install, making the process plug-and-play.
Where do I provide my vehicle’s VIN?
You can add your VIN to the notes section during the checkout process. If you forget, we will contact you via email after your purchase to request it. We cannot ship your order until we have your VIN.
How do I know if this is the correct part for my car?
Please review the detailed fitment list on this page. The most accurate way to confirm is to match the service number printed on the sticker of your current PCM. This 1996 GM PCM 16211539 is a direct replacement for service numbers 88963800, 16211539, and 16231853.
Will this fix my check engine light?
If the check engine light is caused by an internal fault within your original PCM, this replacement unit will resolve the issue. After installation, it is recommended to clear all diagnostic trouble codes with a standard OBD2 scanner.
Is any other work required after installation?
In most cases, no. This is a plug-and-play part. However, if your original PCM failed due to an external issue like a short circuit in your vehicle’s wiring, it is essential to repair that underlying problem to prevent damage to the new module.
What if my original part number is slightly different?
This module is compatible with several service numbers. As long as your vehicle is on the fitment list and your original part number is 88963800, 16211539, or 16231853, this unit will function correctly.