1997 Bonneville PCM 16227797 Programmed to Your VIN | Powertrain Control Module

Is Your 1997 GM Vehicle Running Rough?

If you’re dealing with a persistent check engine light, erratic engine performance, harsh shifting, or even a frustrating no-start condition in your 1997 Bonneville or other compatible GM model, a failing Powertrain Control Module (PCM) is often the culprit. Over two decades of heat cycles and vibrations can take their toll on the delicate internal circuits, leading to problems that can be impossible to diagnose without swapping the part. In my 20+ years in the shop, I’ve seen these exact modules cause intermittent stalling that leaves drivers stranded and mechanics scratching their heads.

The Direct Solution: A VIN-Programmed PCM

This isn’t just a replacement part; it’s a complete solution. We take a quality-tested Powertrain Control Module and flash it with the latest official GM software calibrations specific to your vehicle. All we need is your Vehicle Identification Number (VIN) after you place your order. This critical step ensures that the module communicates perfectly with your engine, transmission, and other onboard systems right out of the box. You get a module that is ready for installation, saving you a costly trip to the dealership for programming.

Why Choose Our 1997 Bonneville PCM?

• ✔ VIN-Specific Programming: We load the newest GM updates for your exact vehicle, ensuring optimal performance and fuel efficiency.
• ✔ Resolves Common Issues: Corrects problems like false sensor codes, poor idle, transmission shifting faults, and communication errors.
• ✔ Simple Installation: Designed as a direct-fit replacement. No complex wiring or modifications are needed.
• ✔ No Dealer Required: Since the module arrives programmed, you can avoid the high costs and scheduling hassles of a dealership visit.
• ✔ Broad Compatibility: A reliable replacement for part numbers 16227797 and 19109047.

Plug-and-Play Installation Guide

Installing your new PCM is a straightforward process. Here’s a general guide:

1. Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
2. Locate the PCM: On most of these models, the PCM is located in the air filter box assembly under the hood for cooling.
3. Disconnect Connectors: Carefully unclip the plastic cover and release the levers on the electrical wiring harnesses to unplug them from the old module.
4. Remove Old Module: Unbolt the PCM from its mounting bracket or housing.
5. Install New Module: Seat the new, pre-programmed module in place and secure it. Reconnect the wiring harnesses, ensuring they click securely into place.
6. Reconnect Battery: Reattach the negative battery terminal.
7. Final Steps: In some cases, a security relearn procedure may be necessary. This can typically be done by cycling the key in the ignition and is a simple process you can do yourself.

Guaranteed Fitment

This module is a confirmed fit for the following 1997 vehicles with the specified options. Please verify your vehicle is on this list before ordering.

• Bonneville: 1997 Electronic Control Module; (6-231, 3.8L), w/supercharged option
• Camaro: 1997 Electronic Control Module; 6-231 (3.8L)
• Eighty Eight: 1997 Electronic Control Module; (6-231, 3.8L), w/supercharged option
• Firebird: 1997 Electronic Control Module; 6-231 (3.8L)
• Grand Prix: 1997 Electronic Control Module; 6-231 (3.8L), w/supercharged option
• Lumina Car: 1997 Electronic Control Module; 6-207 (3.4L)
• Monte Carlo: 1997 Electronic Control Module; 6-207 (3.4L)
• Park Avenue: 1997 Electronic Control Module; (6-231, 3.8L)
• Regal: 1997 Electronic Control Module; (6-231, 3.8L), w/supercharged option
• Riviera: 1997 Electronic Control Module; (6-231, 3.8L)