Restore Your GM Vehicle’s Performance and Reliability
Is your 1997 Chevrolet Venture, Pontiac Trans Sport, or another GM vehicle from this era suddenly stalling, running rough, or refusing to start? These frustrating and often intermittent issues frequently point to a failing Powertrain Control Module (ECM). As the brain of your vehicle’s engine and transmission, a faulty ECM can cause a cascade of problems that are difficult to diagnose. This replacement ECM, part number 16217058, is the definitive solution to get your vehicle back on the road with confidence.
Over my 20+ years in the shop, I’ve seen countless ’97 GM vehicles with these exact symptoms. A customer’s 1997 Oldsmobile Silhouette came in last week with an intermittent no-start and a check engine light. The previous mechanic wanted to replace the fuel pump. However, my diagnostic scan showed erratic sensor readings across the board. A quick check of the 5-volt reference signal from the ECM confirmed my suspicionโit was fluctuating wildly. Replacing the module fixed everything instantly. This isn’t just a part; it’s the correct diagnosis and the right solution.
The Hassle-Free Solution: Programmed For Your VIN
Forget expensive dealership visits and towing fees. We take the complexity out of the repair. When you purchase this module, you simply provide us with your vehicle’s VIN. Our technicians will then flash the unit with the latest, most stable GM-certified software specific to your car or van. This ensures that when the part arrives, it’s a true plug-and-play installation. This 1997 Venture ECM will communicate flawlessly with your vehicle’s existing systems right out of the box.
Common Symptoms of a Failing 1997 GM ECM:
- โ Unexplained Check Engine Light illumination
- โ Engine stalling or cutting out while driving
- โ Complete no-start condition with power to accessories
- โ Poor fuel economy and reduced engine power
- โ Harsh or erratic automatic transmission shifting
- โ Communication errors with diagnostic scan tools
Simple & Straightforward Installation Guide
You can perform this replacement yourself with basic hand tools. Hereโs a general guide to get you started:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the ECM: On most of these GM vans and cars, the ECM is located in the engine bay, typically inside the air filter housing for protection.
- Disconnect Connectors: Carefully unclip the wiring harness connectors from the old module. Inspect the pins on the harness side for any corrosion or damage and clean them if necessary.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket and remove it from the vehicle.
- Install the New ECM: Mount your new, pre-programmed module in place and securely fasten it.
- Reconnect Everything: Firmly plug the wiring harnesses back into the new ECM. Reconnect the negative battery terminal.
- Final Step: Your vehicle may require a security relearn procedure, which is a simple process you can do in your driveway. Instructions are readily available online or we can help guide you.
Expert Pro Tip: Before installing your new ECM, take a moment to inspect the main engine wiring harness grounds. On these GM platforms, there’s a critical ground point on a stud near the ignition control module or on the engine block. A loose or corroded ground can cause voltage issues that mimic ECM failure and can damage a new module over time. A quick cleaning with a wire brush ensures a solid connection and a long-lasting repair.
Guaranteed Fitment for Your 1997 GM Vehicle
This module is a direct replacement for part numbers 16217058 and 16218070. It is guaranteed to fit and function correctly on the following 1997 models:
- Chevrolet Venture: (6-207, 3.4L)
- Chevrolet Lumina Car: (6-191, 3.1L)
- Chevrolet Monte Carlo: (6-191, 3.1L)
- Pontiac Trans Sport: (6-207, 3.4L)
- Pontiac Grand Prix: 6-191 (3.1L) & 6-231 (3.8L, w/o supercharged option)
- Pontiac Grand Am: (6-191, 3.1L)
- Pontiac Bonneville: (6-231, 3.8L, w/o supercharged option)
- Oldsmobile Silhouette: (6-207, 3.4L)
- Oldsmobile Eighty Eight: (6-231, 3.8L, w/o supercharged option)
- Oldsmobile Cutlass: Supreme models
- Oldsmobile Achieva: (6-191, 3.1L)
- Buick LeSabre: (6-231, 3.8L)
- Buick Regal: (6-231, 3.8L, w/o supercharged option)
- Buick Skylark: (6-191, 3.1L)
- Buick Century: (6-191, 3.1L)
Don’t let a faulty computer keep your reliable GM vehicle off the road. Order this pre-programmed 1997 Venture ECM today and restore the smooth, dependable performance you expect.