Programmed 1998 Savana 3500 PCM | 16250279 | VIN Matched & Flashed

Restore Your Van’s Drivability.

End frustrating stalling, rough shifting, and check engine lights with this VIN-programmed Powertrain Control Module for your 1998 Savana 3500. It arrives flashed with the latest GM software, making installation a simple, plug-and-play process. This is the reliable, no-hassle solution to restore your vehicle’s performance and reliability. Get your pre-programmed module shipped fast and fix it right the first time!

$115.00

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-06234B-72 Categories: ,
Guaranteed Safe Checkout

Restore Peak Performance to Your GM Workhorse

If you’re dealing with frustrating, hard-to-diagnose issues on your 1998 GMC Savana 3500 Van or another compatible GM vehicle, the root cause is often the very brain of the operation: the Powertrain Control Module (PCM). As a technician with over two decades of experience under the hood, I’ve seen countless owners and even other shops chase their tails replacing perfectly good sensors and parts, only to find the PCM was the culprit all along. A failing module can cause everything from a no-start condition and erratic shifting to poor fuel economy and a persistent Check Engine Light.

This isn’t just a replacement part; it’s a direct solution. We take the guesswork and hassle out of the repair by pre-programming this module specifically for your vehicle. Simply provide us with your Vehicle Identification Number (VIN) after purchase, and we’ll flash the unit with the latest, most stable software updates directly from GM. This ensures all factory parameters for your engine and transmission are restored, giving you a reliable, plug-and-play fix.

From the Diagnostic Bay

I remember a 1999 GMC Sierra 2500 that came into my shop with what the owner was convinced was a failing 4L80E transmission. It was shifting hard, hunting for gears, and occasionally throwing a generic transmission code. He had already replaced the vehicle speed sensor and the shift solenoids. After hooking up my scanner and seeing inconsistent data from the PCM, we swapped in a correctly programmed module. The ‘transmission problem’ vanished instantly. The PCM wasn’t properly controlling the transmission’s line pressure. This is a classic example of how a faulty 1998 Savana 3500 PCM or its equivalent can send you on a wild goose chase. This part fixes the source, not just the symptom.

Is Your GM Truck Showing These Symptoms?

A failing PCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution:

  • ✔ Check Engine Light is on with codes like P0601 (Internal Memory Error) or P0606 (PCM Processor Fault)
  • ✔ Vehicle will not start or is very difficult to start
  • ✔ Poor or erratic automatic transmission shifting
  • ✔ A sudden, unexplained drop in fuel efficiency
  • ✔ Engine stalling, stuttering, or misfiring
  • ✔ Communication issues with your OBDII scan tool

A Straightforward Guide to Installation

Installing your new 1998 Savana 3500 PCM is a simple process that most DIYers can handle with basic tools. Since it arrives pre-programmed, no special equipment is needed.

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
  2. Locate the PCM: On most of these GM trucks and vans, the PCM is located in the engine compartment, typically on the driver’s side fender well or near the battery.
  3. Disconnect the Harnesses: Carefully unclip and remove the electrical wiring harnesses connected to the old module. There are usually multiple color-coded connectors.
  4. Remove the Old Module: Unbolt the old PCM from its mounting bracket. Keep the hardware as you may need it for the new installation.
  5. Install the New Module: Mount your new, pre-programmed PCM onto the bracket and securely reconnect all the wiring harnesses. Ensure they click into place.
  6. Reconnect the Battery: Re-attach 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 Vehicle Compatibility

This module, identified by part number 16250279, is a direct replacement for service numbers 16250279, 09366810, and 09355699. Please verify your original part number or consult the list below. This unit fits a wide range of GM vehicles:

CHEVROLET/GMC/CADILLAC/OLDSMOBILE/ISUZU (1998-1999)
– ASTRO/SAFARI VAN (98-99)
– BLAZER S10/JIMMY S15 (98)
– BRAVADA (98)
– C/K 1500/2500/3500 PICKUP (98-99)
– ESCALADE (99)
– ENVOY (98)
– EXPRESS/SAVANA 1500/2500/3500 VAN (98)
– HOMBRE (98)
– S10/SONOMA (98)
– SUBURBAN 1500/2500 (98-99)
– TAHOE/YUKON (98-99)

Note: Specific engine sizes and options apply. Always match your part number (ID 16250279 or 16258815 as noted in fitment) to ensure correctness.

Frequently Asked Questions

Frequently Asked Questions

Why do you need my VIN?

Your Vehicle Identification Number (VIN) allows us to program the module with the exact software and calibrations your vehicle requires. This includes engine size, transmission type, and any specific options, ensuring a perfect, plug-and-play installation without a trip to the dealer.

Is this a simple plug-and-play installation?

Yes! Because we pre-program the module to your VIN, it is ready to install right out of the box. In most cases, you will not need to perform any additional programming. Some vehicles may require a simple security relearn procedure, which can be done without any special tools.

Will this fix my transmission shifting problems?

In many cases, yes. The PCM controls transmission line pressure, shift points, and torque converter lockup. If the module is failing, it can cause a wide range of shifting issues that mimic a mechanical transmission failure. This is often the correct fix for those problems.

What is the difference between a PCM and an ECM?

The terms are often used interchangeably. ECM (Engine Control Module) typically just controls engine functions. A PCM (Powertrain Control Module) is more integrated and controls both the engine and the transmission. For these GM vehicles, this unit functions as the PCM.

Do I need to return my old PCM?

This listing does not require a core return. You can keep your old module, though we always recommend recycling old electronics responsibly.

Condition

Refurbished

MPN

16250279

Genuine OEM

Yes

Interchange part number

PartNumber

590

Model

SAVANA 3500 VAN

Year

1998

Brand

GM

Manufacturer Part Number

, ,

Scroll to Top