Is Your 1996 GM Vehicle Running Rough?
If you’re dealing with a persistent check engine light, poor fuel mileage, erratic engine behavior, or even a no-start condition in your 1996 Achieva, Cavalier, or S10, the problem often points directly to a failing Powertrain Control Module (PCM). As a technician with over two decades of experience under the hood, I’ve seen how a faulty engine computer can turn a reliable car into a source of constant frustration. It’s the brain of your vehicle, and when it malfunctions, nothing else works correctly.
The Direct Solution: A VIN-Programmed 1996 Achieva PCM
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and extra expense out of the repair. Simply provide us with your vehicle’s VIN (Vehicle Identification Number) after your purchase, and we will program this module with the latest GM factory software specific to your car. This ensures that when it arrives, it communicates perfectly with your engine, transmission, and all other onboard systems, restoring the performance and reliability you expect.
Expert Pro Tip from 20+ Years in the Shop: Before you condemn your old PCM, take a close look at the wiring harness connectors that plug into it. On these mid-90s GM vehicles, I’ve often traced intermittent no-starts and false sensor codes to corrosion or a loose pin inside the connector itself. A simple cleaning with a contact cleaner and a visual inspection can sometimes save you the cost of a new part. If the pins are clean and tight, and the problems persist, the PCM is the next logical step.
Plug-and-Play Installation: No Dealer Visit Required
One of the biggest advantages of our service is the pre-programming. This means you can perform the installation yourself in your own driveway, saving hundreds of dollars in dealership labor and programming fees. The process is straightforward:
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the PCM: On most of these models, the PCM is located in the engine bay, often near the firewall or air filter box.
- Swap the Modules: Carefully unplug the wiring harness connectors from the old PCM and unbolt it from its bracket. Install the new module in its place and securely reconnect the harnesses.
- Final Step: Reconnect the negative battery terminal. The vehicle is now ready to start.
Key Benefits of This Engine Computer:
- โ VIN-Programmed: Arrives ready to install with the latest GM software for your specific vehicle.
- โ Solves Common Issues: Corrects problems like rough idling, stalling, poor fuel economy, and false check engine light codes.
- โ Direct Fit Guarantee: A reliable replacement for original part numbers 16215830 and 16231851.
- โ Broad Compatibility: Engineered to work with a wide range of 1996 GM cars and trucks.
Guaranteed Fitment For These 1996 Models:
This Electronic Control Module is the correct part for the following vehicles. Please verify your engine size to ensure compatibility.
- ACHIEVA: with 2.4L (4-146) Engine
- BERETTA: with 2.2L (4-134) Engine
- CAVALIER: All Options
- CENTURY: with 2.2L (4-134) Engine
- CIERA: with 2.2L (4-134) Engine
- CORSICA: with 2.2L (4-134) Engine
- GRAND AM: with 2.4L (4-146) Engine
- S10/S15/SONOMA PICKUP: with 2.2L (4-134) Engine
- SKYLARK: with 2.4L (4-146) Engine
- SUNFIRE: All Options