Restore Peak Performance to Your 1997 GM Vehicle
Are you battling frustrating engine problems with your 1997 Buick Regal or another compatible GM model? Issues like a persistent Check Engine Light, rough idling, stalling, or poor fuel economy often point to a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. This replacement PCM, part number 16218070, is the definitive solution to restore your car’s reliability and drivability. In my 20+ years of diagnostics, I’ve seen countless vehicles with mysterious electronic gremlins brought back to life with a correctly programmed PCM.
This isn’t just a part; it’s a complete service. We take the guesswork out of the repair by pre-programming this module specifically for your vehicle using the VIN you provide. This ensures that all factory settings and the latest GM software updates are loaded before it even ships. By installing a properly configured 1997 Regal Powertrain Module, you’re not just replacing a faulty component—you’re ensuring your engine, transmission, and emissions systems communicate flawlessly, just as the manufacturer intended.
From the Diagnostic Bay: The Case of the Hesitating Grand Prix
A customer brought in a 1997 Grand Prix with the 3.8L V6, the same powertrain family as many vehicles this module fits. The complaint was intermittent hesitation under light acceleration and a random stalling issue that no one could pin down. There were no hard fault codes, just a history of communication errors. After verifying fuel pressure and ignition components were healthy, my attention turned to the PCM. On these mid-90s GM platforms, internal board corrosion or failing capacitors in the PCM can cause exactly these kinds of unpredictable symptoms. We installed a VIN-programmed module like this one, and the car ran perfectly. The customer was thrilled to have their reliable daily driver back without wasting more money on guesswork.
Is Your Vehicle Showing These Classic PCM Failure Signs?
- ✔ Persistent Check Engine Light (CEL)
- ✔ Diagnostic Trouble Codes (DTCs) related to internal module failure, such as P0601, P0605, or P0606
- ✔ Unexplained stalling or difficulty starting the engine
- ✔ Rough or erratic engine idle
- ✔ Poor acceleration and overall loss of power
- ✔ Noticeable decrease in fuel efficiency
- ✔ Harsh or incorrect automatic transmission shifting
- ✔ Failure to pass an emissions inspection
A Straightforward Guide to Installation
Installing your pre-programmed 1997 Regal Powertrain Module is a manageable job for a DIY enthusiast. Since the programming is done, you avoid a costly trip to the dealer. Just follow these general steps.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the PCM: On most of these GM models, the PCM is located inside the air filter box in the engine bay. You may need to remove the air intake ducting and filter for access.
- Disconnect Connectors: Carefully unclip and remove the electrical harness connectors from the old module. Inspect the connectors for any corrosion or bent pins.
- Remove the Old Module: Unbolt the PCM from its mounting bracket or housing.
- Install the New Module: Seat your new, pre-programmed PCM into the mounting location and secure it.
- Reconnect Everything: Firmly plug the electrical connectors into the new module. Reassemble the air filter box and any ducting you removed.
- Final Step: Reconnect the negative battery terminal. The vehicle may need to complete a security relearn procedure, which typically involves turning the key to the ‘ON’ position for 10-15 minutes before starting.
Verified Fitment Across Multiple GM Models
This module is a direct replacement for part numbers 16218070 and 16217058. It is guaranteed to fit the following 1997 models with the specified options:
- Achieva: 1997 w/ 3.1L (6-191) Engine
- Bonneville: 1997 w/ 3.8L (6-231) Engine (non-supercharged)
- Century: 1997 w/ 3.1L (6-191) Engine
- Cutlass: 1997 Supreme models
- Eighty Eight: 1997 w/ 3.8L (6-231) Engine (non-supercharged)
- Grand Am: 1997 w/ 3.1L (6-191) Engine
- Grand Prix: 1997 w/ 3.1L (6-191) or 3.8L (6-231) Engine (non-supercharged)
- LeSabre: 1997 w/ 3.8L (6-231) Engine
- Lumina Car: 1997 w/ 3.1L (6-191) Engine
- Monte Carlo: 1997 w/ 3.1L (6-191) Engine
- Regal: 1997 w/ 3.8L (6-231) Engine (non-supercharged)
- Silhouette: 1997 w/ 3.4L (6-207) Engine
- Skylark: 1997 w/ 3.1L (6-191) Engine
- Trans Sport: 1997 w/ 3.4L (6-207) Engine
- Venture: 1997 w/ 3.4L (6-207) Engine
By providing your Vehicle Identification Number (VIN) after purchase, you guarantee a perfect software match for your specific vehicle. This is the most reliable way to fix complex electronic issues and get your car back on the road. Don’t let a faulty computer keep you stranded—get the correct, pre-programmed 1997 Regal Powertrain Module today.