1997 GMC Safari PCM Engine Computer ECM 16229684

Get Your GM Truck Running Right Again!

This is a direct-fit replacement Powertrain Control Module for your 1997 GM vehicle. It comes fully programmed to your vehicle’s VIN with the latest software for a simple, plug-and-play installation. Solve your drivability issues today!

$114.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-04481-21 Categories: ,
Guaranteed Safe Checkout

Restore Peak Performance to Your 1997 GM Truck or Van

Is your 1997 GMC Safari, Chevy Astro, S10, or other GM truck experiencing frustrating and hard-to-diagnose issues? A failing Powertrain Control Module (PCM), often called the engine computer, is a common culprit for a wide range of drivability problems. This vital component is the brain of your vehicle, managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it begins to fail, the symptoms can be unpredictable and severe, leaving you stranded or dealing with a poorly running vehicle. This replacement PCM, part number 16229684, is the definitive solution to get your vehicle running reliably again.

From the Diagnostic Bay

We had a 1997 Chevy Blazer come in that was driving the owner crazy. It would run perfectly for days, then suddenly stall at a red light and refuse to restart for 20 minutes. There were no consistent trouble codes, and the fuel pressure and spark were intermittent. After checking all the usual suspects—crank sensor, ignition module, fuel pump—we focused on the computer. We swapped in a known-good programmed PCM, and the problem vanished instantly. The original PCM had an internal intermittent failure that only showed up when it got hot. It’s a classic example of how a faulty computer can mimic a dozen other problems, making a direct-fit, correctly programmed replacement the only real fix.

Is Your Vehicle Showing Signs of PCM Failure?

A failing engine computer can manifest in numerous ways. If you’re experiencing any of the following issues, a faulty PCM could be the root cause. This replacement 1997 GMC Safari PCM is designed to resolve these complex electronic problems.

  • ✔ Check Engine Light is on with various communication or sensor-related codes (e.g., U-codes, P0601-P0606).
  • ✔ Vehicle refuses to start or has a hard starting condition.
  • ✔ Rough or erratic engine idle.
  • ✔ Poor fuel economy and noticeable loss of power.
  • ✔ Automatic transmission shifting harshly, at the wrong times, or not at all.
  • ✔ Intermittent stalling for no apparent reason.
  • ✔ Failure to pass state emissions testing.

The Importance of a VIN-Programmed 1997 GMC Safari PCM

You can’t simply take a PCM from another vehicle and expect it to work. The computer must be programmed with your vehicle’s specific Vehicle Identification Number (VIN). This process loads the correct software and calibrations for your engine, transmission, and factory options. Our service eliminates the need for an expensive trip to the dealership. We flash this module with the latest GM-certified software updates using your VIN before we ship it to you. This ensures that when you receive the part, it’s ready for installation, saving you time, money, and hassle.

Guaranteed Compatibility

This electronic control module is a direct replacement for part numbers 16229684 and 8162296840. It is guaranteed to fit and function correctly in the following 1997 model year vehicles:

  • GMC 2500 PICKUP (Gasoline)
  • GMC EXPRESS 2500 VAN (Gasoline)
  • GMC EXPRESS 1500 VAN
  • GMC SAFARI (4.3L)
  • GMC SUBURBAN 2500 (Gasoline)
  • GMC S10/S15/SONOMA (4.3L)
  • GMC YUKON (Gasoline)
  • GMC 3500 PICKUP (Gasoline)
  • GMC SAVANA 3500 VAN (Gasoline)
  • GMC 1500 PICKUP (Gasoline)
  • GMC SAVANA 1500 VAN
  • GMC TAHOE (Gasoline)
  • CHEVROLET ASTRO (4.3L)
  • CHEVROLET SUBURBAN 1500 (Gasoline)
  • CHEVROLET BLAZER S10/JIMMY S15 (4.3L)
  • CHEVROLET 3500 PICKUP (Gasoline)
  • CHEVROLET 1500 PICKUP (Gasoline)
  • CHEVROLET 2500 PICKUP (Gasoline)
  • OLDSMOBILE BRAVADA (4.3L)
  • ISUZU HOMBRE (4.3L)

Frequently Asked Questions

What exactly is a PCM and what does it do?

The Powertrain Control Module (PCM) is your vehicle’s main computer. It controls all aspects of the engine and transmission to ensure optimal performance, fuel efficiency, and emissions. It takes data from sensors all over the vehicle and makes real-time adjustments to systems like fuel delivery, spark timing, and gear shifts.

Why does this PCM need my VIN?

Your Vehicle Identification Number (VIN) contains critical information about your vehicle’s specific build, including engine size, transmission type, and emissions equipment. We use your VIN to load the exact factory software and calibrations, ensuring the PCM works seamlessly with your vehicle, just like the original part from the factory.

Will I need to do anything after installation?

In most cases, this is a plug-and-play installation. However, some GM vehicles of this era may require a simple security relearn procedure, also known as a CASE relearn. This can typically be done without special tools and involves a sequence of key turns. Instructions are readily available online or in service manuals.

Where is the PCM located on my vehicle?

On most of the compatible 1997 GM trucks and SUVs, the PCM is located in the engine compartment on the driver’s side, often near the fender or firewall. On Safari and Astro vans, it’s typically found on the driver’s side front, near the battery.

How do I find my vehicle’s VIN?

Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on a metal plate on the driver’s side of the dashboard, visible through the windshield. It may also be on a sticker in the driver’s side door jamb.

Conditions & Options

Programmed to your VIN GM: 16229684

Year

Condition

Refurbished

Genuine OEM

Yes

MPN

16229684

Interchange part number

Model

safari-gmc

Year

1997

Brand

GM

Manufacturer Part Number

Scroll to Top