Is Your Trusted GM Truck or Van Suddenly Unreliable?
There’s nothing more frustrating than when your dependable workhorse starts acting up. If your 1997 GM vehicle is experiencing baffling issues like stalling, erratic shifting, a persistent check engine light, or a complete no-start condition, the problem often points directly to a failing Powertrain Control Module (PCM). This isn’t just a part; it’s the brain of your vehicle’s engine and transmission. We offer the definitive, hassle-free solution to get your truck back on the road and running strong.
Common Symptoms & Your Solution
A failing engine computer can mimic a dozen other problems, leading to wasted time and money on unnecessary repairs. If you’re seeing any of these signs, this pre-programmed 16229684 PCM is the answer you’ve been looking for:
- Engine stalling or cutting out unexpectedly
- Rough or inconsistent idling
- Harsh or erratic automatic transmission shifting
- Failure to start, even with a good battery and starter
- Multiple, unrelated Diagnostic Trouble Codes (DTCs)
- Poor fuel economy and loss of power
- Check Engine Light (CEL) that won’t go away
Instead of guessing, you can solve the problem at its source. This module is professionally flashed with the latest GM software updates, tailored specifically to your vehicle’s VIN. This ensures perfect compatibility and restores the performance and reliability you depend on.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the module with your specific Vehicle Identification Number, ensuring it works seamlessly with your truck’s factory options right out of the box.
- ✔ Plug-and-Play Installation: No need for an expensive trip to the dealership. Once you receive the part, you can install it directly, saving you time and labor costs.
- ✔ Loaded with Latest GM Updates: Your new PCM comes with the most current factory software, which often corrects operational issues and improves engine and transmission performance.
- ✔ Broad Compatibility: This single unit is a direct replacement for part numbers 16229684 and 8162296840, covering a wide range of popular 1997 GM trucks, vans, and SUVs.
- ✔ Restores Original Performance: Get back the smooth idle, crisp shifting, and dependable power your vehicle had from the factory.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of Correct Programming
As a technician who’s worked on countless GMT400-platform trucks, I can’t overstate the importance of correct VIN programming. These vehicles, especially with the 4L60E or 4L80E transmissions, are highly sensitive to the PCM’s software calibration. Using a generic or improperly programmed module from a junkyard can lead to persistent transmission shifting problems, incorrect speedometer readings, and even engine damage. By flashing this 16229684 PCM with your exact VIN, we ensure all the specific parameters for your engine, transmission, and axle ratio are correct. It’s the difference between a quick fix and a lasting, reliable repair.
Frequently Asked Questions
Where do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as the programming is essential for it to function correctly.
Is this a difficult part to install?
For most 1997 GM trucks and vans, the PCM is located in the engine bay, typically on the driver’s side fender. Installation involves disconnecting the battery, unplugging the electrical connectors, and unbolting the module. It’s a straightforward process for someone with basic mechanical skills. Always disconnect the battery before starting.
Will I need to do anything after installation?
In some cases, a security relearn or a Crankshaft Position Sensor (CASE) relearn procedure may be required after installing the new PCM. This can often be done without special tools, and procedures are widely available online for your specific model. This ensures the engine runs its absolute best.
How do I know if this part number is correct for my vehicle?
This module replaces part numbers 16229684 and 8162296840. Please check the comprehensive fitment list on this page. As long as your vehicle is listed and you provide the correct VIN, this part will be programmed to be a perfect match for your application.
Is this a new or used part?
This is a high-quality, inspected, and tested replacement part that has been professionally programmed to ensure it meets or exceeds original factory specifications for performance and reliability.