Is Your Late-90s GM Truck or SUV Acting Up?
If you’re dealing with baffling issues on your 1998 or 1999 Suburban, Tahoe, Yukon, or Pickupโlike erratic transmission shifting, a persistent check engine light, stalling, or even a frustrating no-start conditionโthe problem might be deeper than a simple sensor. The Powertrain Control Module (PCM) is the brain of your vehicle, and when it fails, it can create a cascade of confusing symptoms that are often misdiagnosed.
Over my 20+ years in the shop, I’ve seen countless GMT400-platform vehicles come in with these exact problems. A customer’s ’99 Tahoe came in last week with a P0753 shift solenoid code. After confirming the solenoid and wiring were good, we traced it back to a faulty driver inside the original PCM. It’s a classic failure point on these otherwise bulletproof trucks.
The Direct, Hassle-Free Solution: A VIN-Programmed PCM
Don’t waste time and money chasing phantom issues or paying steep dealership prices for programming. This is a genuine, road-tested used PCM that we program specifically for your vehicle before it leaves our facility. Simply provide us with your Vehicle Identification Number (VIN) after purchase, and we’ll flash the module with the latest GM software updates. It arrives at your door ready for a straightforward installation.
Why Choose Our Programmed 1998-1999 Suburban 1500 PCM?
- โ VIN-Specific Programming: We load your vehicle’s exact calibration files, ensuring perfect communication with your engine, transmission, and security system.
- โ Latest GM Software: Your module comes with all applicable factory updates for improved performance and reliability.
- โ Cost-Effective Repair: Get a reliable, tested part that solves the problem for a fraction of the cost of a new module and dealer programming.
- โ Plug-and-Play Ready: In most cases, this module is ready to install without any special tools or procedures. A security relearn may be required, which is a simple key-cycle process.
Expert Pro Tip: Before plugging in your replacement PCM, take a moment to inspect the harness connectors. Over 20+ years, pin corrosion can build up, causing poor connections that mimic PCM failure. Use a quality electronics cleaner and a small brush to gently clean the pins on the vehicle’s harness. A clean connection is critical for long-term reliability.
Simple Installation Guide
- Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- Locate the Old PCM: On most of these trucks and SUVs, the PCM is located in the engine bay, typically on the driver’s side inner fender.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New PCM: Mount your new, programmed PCM in the same location. Securely plug in the electrical connectors until they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position for 10-15 seconds before starting the engine to allow the systems to initialize. Start the vehicle and check for proper operation.
Guaranteed Fitment
This module is a direct replacement for units with service number ID 9355699 and part numbers:
- 09355699
- 16266645
- 16250279
- 16258815
- 09366810
It is compatible with a wide range of 1998-1999 GM Trucks, Vans, and SUVs including the Chevrolet Suburban 1500/2500, Tahoe, C/K Pickups, Express Van, GMC Yukon, Sierra, Savana Van, Cadillac Escalade, and more. Please verify your original part number or consult the detailed fitment list to confirm compatibility.