Is your trusty 1997 GM truck, van, or SUV suddenly running rough, stalling, or refusing to start? A failing Powertrain Control Module (PCM) is often the culprit behind these frustrating and unpredictable issues. This replacement engine computer, part number 16229684, is the reliable, straightforward solution to get your vehicle back on the road and running strong. We take the guesswork out of the repair by professionally programming the module to your vehicle’s specific VIN, ensuring a seamless, plug-and-play installation.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty PCM is the likely cause. This professionally 16229684 PCM Programmed unit is designed to resolve these problems:
- Persistent Check Engine Light (CEL)
- Engine stalling or cutting out while driving
- Rough or erratic idling
- A no-start condition where the engine cranks but won’t fire
- Noticeable decrease in fuel economy
- Harsh or incorrect transmission shifting
- Failure to pass an emissions test
- Diagnostic Trouble Codes (DTCs) related to sensors, communication, or misfires (e.g., P0300-P0308, P0601, P0605)
Features & Benefits
- ✔ 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, making installation a breeze.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for OEM part number 16229684, guaranteeing a perfect fit in the original location without any modifications.
- ✔ Restored Performance: A properly functioning PCM restores crisp throttle response, smooth shifting, and optimal fuel efficiency, making your vehicle feel dependable again.
- ✔ Cost-Effective Solution: Avoid the high costs and programming fees of a dealership. This module provides a reliable fix at a fraction of the price.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: The Brain of Your Workhorse
In these classic 1997 GM vehicles, the PCM is more than just an engine controller—it’s the central command center. It manages everything from the exact moment spark plugs fire to how the automatic transmission shifts under load. When it fails, you get chaotic symptoms that can seem unrelated. Using a generic or non-programmed module can cause even more issues. That’s why having a 16229684 PCM Programmed specifically for your VIN isn’t just a convenience, it’s critical for restoring the reliable, predictable performance these trucks and vans are famous for.
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, simply reply to the order confirmation email with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive it.
Is any additional programming required after installation?
No. This module arrives fully programmed and ready for installation. In most cases, you will not need to perform any additional procedures. However, on some models, a security relearn procedure may be necessary, which can be done without special tools. Instructions are widely available online for this simple process.
What if my original part number is 8162296840?
This module is a direct, compatible replacement for part numbers 16229684 and 8162296840. As long as your vehicle is on the compatibility list, this unit will function correctly.
Where is the PCM located on my vehicle?
On most 1997 GM trucks, vans, and SUVs, the PCM is located in the engine compartment, typically on the driver’s side inner fender, near the battery.
Why is a properly 16229684 PCM Programmed to my VIN so important?
The VIN tells us everything about your vehicle’s specific build: engine size, transmission type, emissions equipment, and other factory options. Programming the PCM with this data ensures all systems communicate and operate exactly as the manufacturer intended, preventing compatibility issues.