Is Your Cavalier, S10, or Sunfire Running Rough?
If you’re dealing with a persistent Check Engine Light, erratic engine behavior, stalling, or a no-start condition, a failing Powertrain Control Module (PCM) is often the culprit. As a mechanic with over two decades of experience under the hood, I’ve seen how a faulty PCM can turn a reliable vehicle into a source of constant frustration. It’s the brain of your engine, and when it starts to fail, it can cause a cascade of confusing and hard-to-diagnose problems.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a quality-tested PCM, service number 16228016, and flash it with the latest GM-certified software calibration specifically for your vehicle. All we need is your Vehicle Identification Number (VIN) at checkout. This critical step ensures that the module communicates perfectly with your engine, transmission, and all related systems, restoring original performance and efficiency.
Why Choose Our VIN-Programmed PCM?
- ✔ VIN-Programmed for You: Arrives flashed with the newest GM software for your exact vehicle.
- ✔ True Plug-and-Play: No expensive trip to the dealership for programming is required.
- ✔ Solves Common Issues: A direct fix for false sensor codes, poor fuel economy, harsh shifting, and intermittent stalling.
- ✔ Wide Compatibility: A reliable replacement for service numbers 16228016, 8162280160, and 16245305.
From the Shop Floor: A Real-World Diagnostic Story
“A customer’s 1999 Chevy S10 with the 2.2L engine came into my shop last month with an intermittent misfire on cylinder 3 that nobody could solve. They had already replaced the spark plug, wire, and ignition coil. The injector tested fine. After hooking up my scope, I noticed the injector driver signal from the PCM was dropping out randomly when the engine warmed up. It’s a classic failure pattern for these 16228016 modules. We installed one of our pre-programmed units, and the truck has been running perfectly ever since. It saved the customer from guessing and replacing more good parts.”
Easy Installation for Your 1997-1999 Cavalier PCM
Replacing the PCM on these GM vehicles is a straightforward job you can do in your own driveway. For the Cavalier, Sunfire, and S10/Sonoma, the module is typically located in the front engine compartment on the passenger side, often near the air filter housing.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the PCM: Find the module in the engine bay. It will have several large electrical connectors attached.
- Disconnect Connectors: These connectors often have a lever-lock or bolt-down mechanism. Carefully release the levers or unbolt the center bolt to unplug the wiring harnesses. Never force them.
- Remove the Old Module: Unbolt the PCM from its mounting bracket and remove it from the vehicle.
- Install the New PCM: Bolt your new, pre-programmed module into place.
- Reconnect Everything: Firmly plug the wiring harnesses back into the new PCM and secure the locks or bolts. Reconnect the negative battery terminal.
- Final Step: Start the engine. The vehicle will perform a brief idle relearn process on its own. Your check engine light should be off and the vehicle should run smoothly.
Expert Pro Tip: Connector Inspection is Key
Before plugging the harnesses into your new PCM, take a moment to inspect the connector pins on the vehicle’s wiring harness. Look for any signs of green or white corrosion, or bent pins. Even a small amount of corrosion can cause communication errors. Use a dedicated electronics contact cleaner and a small nylon brush to gently clean the terminals if needed. A clean connection is critical for long-term reliability.
Guaranteed Fitment
This electronic control module is a direct replacement for the following vehicles. Please verify your part number and application before ordering.
- ACHIEVA: 1997-1998 (2.4L)
- CAVALIER: 1997-1999
- GRAND AM: 1997-1998 (2.4L), 1999 (2.4L, ID 16228016)
- ISUZU HOMBRE: 1996, 1997-1998 (2.2L), 1999-2000 (2.2L)
- MALIBU: 1997-1998 (2.4L), 1999 (2.4L)
- S10/S15/SONOMA: 1997-1998 (2.2L), 1999 (2.2L), 2000 (2.2L, VIN 4)
- SKYLARK: 1997-1998 (2.4L)
- SUNFIRE: 1997-1999
Don’t let a faulty computer keep you off the road. Provide your VIN at checkout and let us send you the properly programmed, ready-to-install solution for your vehicle.