Is Your 1997 GM Truck or Van Acting Up?
If you’re dealing with a 1997 GMC Yukon, Chevy Tahoe, or any of the other rugged GM vehicles from that era, you know they’re built to last. But after more than two decades, the electronic heart of the vehicleโthe Powertrain Control Module (PCM)โcan start to show its age. You might be chasing phantom check engine lights, dealing with a rough idle that comes and goes, or experiencing a frustrating no-start condition that has you and your mechanic scratching your heads.
These aren’t just random annoyances; they are classic signs of a failing PCM. As the central computer, it controls everything from fuel mixture and spark timing to transmission shift points. When it falters, the symptoms can be unpredictable and maddening to diagnose.
A Real-World Scenario: The Ghost in the Machine
A customer’s 1997 Tahoe came in last month with these exact symptoms. It would stall randomly at red lights, but only after it was fully warmed up. We checked the fuel pressure, ignition system, and all the usual suspectsโeverything tested fine. It wasn’t until we hooked up a high-end scanner and monitored the PCM’s live data stream on a long test drive that we saw it. For a split second, the crankshaft position sensor data would drop out, causing the stall. The sensor itself was new. The culprit was the PCM; after years of heat cycles in the engine bay, internal connections were failing intermittently. Replacing the PCM solved the problem instantly.
The Definitive Solution: A VIN-Programmed PCM
Don’t just replace your old, failing module with a junkyard part that could have the same issues. This Powertrain Control Module is the reliable, long-term fix. What sets our service apart is the critical programming step we perform before shipping. When you purchase this module, you’ll provide us with your vehicle’s 17-digit VIN. We then use that information to load the latest, most stable GM factory software specifically for your truck or van. This ensures perfect communication between the engine, transmission, and all related systems.
- โ Solves Common Issues: Eliminates problems like harsh shifting, inaccurate fuel gauge readings, false sensor codes, and intermittent stalling or no-start conditions.
- โ Programmed to Your VIN: We flash the module with the correct GM calibration for your exact vehicle. This is not a generic, one-size-fits-all part.
- โ No Dealer Visit Required: Save yourself hundreds of dollars and the hassle of having a dealership program a new module for you. This unit is prepared for installation right out of the box.
- โ Latest GM Software: Your module will be loaded with the newest updates from General Motors, which often include fixes for drivability and performance issues found after the vehicle was first released.
- โ Plug-and-Play (with a simple step): After installing the module, you may need to perform a security relearn procedure (often called a Passlock or CASE relearn). This is a simple process that typically takes 10-30 minutes and can be done in your driveway with just the ignition key.
Confirm Your Part Number
This module is a direct replacement for units with part numbers 16229684 and 8162296840. Please verify the number on your existing module to ensure compatibility. The PCM is typically located in the engine compartment on the driver’s side, near the battery or on the fender well.
Guaranteed Fitment for the Following 1997 Models:
This part is engineered to work with a wide range of 1997 GM gasoline-powered vehicles. Please check your specific model below:
- โ Chevy/GMC Full-Size Trucks: C/K 1500, 2500, 3500 Pickups
- โ Chevy/GMC Full-Size SUVs: Tahoe, Yukon, Suburban 1500 & 2500
- โ Chevy/GMC Full-Size Vans: Express 1500, 2500, 3500 & Savana 1500, 2500, 3500
- โ Chevy/GMC Mid-Size SUVs/Trucks: S10 Blazer, S15 Jimmy, S10/S15/Sonoma Pickup (4.3L V6)
- โ Chevy/GMC Mid-Size Vans: Astro, Safari
- โ Oldsmobile: Bravada (4.3L V6)
- โ Isuzu: Hombre (4.3L V6)
Stop chasing electrical gremlins and restore your vehicle’s reliability. Order today and provide your VIN at checkout to get the correct, programmed PCM shipped directly to you.