Restore Peak Performance to Your GM Truck or SUV
Is your 1998-2000 Oldsmobile Bravada, Chevy S10, GMC Jimmy, or other compatible GM vehicle suffering from perplexing issues like erratic shifting, poor fuel economy, a persistent Check Engine Light, or even a no-start condition? The culprit is often a failing Powertrain Control Module (PCM), the central computer responsible for managing your engine and transmission. This vital component orchestrates everything from fuel injection and spark timing to transmission shift points. When it falters, the symptoms can be widespread and frustrating to diagnose. This replacement PCM is the definitive solution to restore your vehicle’s original performance, drivability, and reliability.
This isn’t just a generic, off-the-shelf part. We provide a fully programmed module specific to your vehicle. Upon purchase, you simply provide us with your Vehicle Identification Number (VIN), and our technicians will flash the unit with the latest factory software updates from General Motors. This ensures seamless communication with your vehicle’s other systems, eliminating the need for an expensive trip to the dealership for programming. It’s a direct-fit, plug-and-play solution designed to get you back on the road quickly and confidently.
From the Diagnostic Bay
I once had a 1999 GMC Jimmy come in that was driving the owner crazy. It had a rough idle, would randomly stall at stoplights, and the transmission shifted harshly between first and second gear. He had already replaced the spark plugs, wires, and even the throttle position sensor, with no improvement. The scanner showed a few intermittent communication codes but nothing concrete. After checking the wiring harness for damage, we suspected the PCM. We swapped in one of our VIN-programmed units, performed the quick security relearn, and the truck immediately ran like it was new. The owner was thrilled. It’s a classic case of how a failing computer can mimic a dozen other mechanical problems, making a quality, correctly programmed PCM the true fix.
Diagnosing a Faulty 1998-2000 Bravada PCM
A failing PCM can manifest in numerous ways, often mimicking other sensor or component failures. If your vehicle is exhibiting several of the following symptoms, it’s a strong indicator that your engine computer may be the root cause of the problem.
- ✔ Check Engine Light: The light is illuminated, and you may have codes related to module communication errors (U-codes) or multiple, seemingly unrelated sensor codes.
- ✔ Erratic Engine Behavior: Experiencing stalling, rough idling, engine misfires, or a significant loss of power for no apparent reason.
- ✔ Poor Fuel Economy: A sudden and unexplained drop in your vehicle’s MPG is a common sign the PCM is not managing the fuel mixture correctly.
- ✔ Harsh or Failed Shifting: The transmission may shift erratically, slam into gear, or fail to shift at all, as the PCM controls transmission solenoids.
- ✔ No-Start Condition: The engine cranks but refuses to start. This can happen if the PCM fails to control the fuel injectors or ignition system.
- ✔ Failure to Communicate: A diagnostic scan tool is unable to connect with the PCM, indicating a total failure of the module.
The Simple, Reliable Solution
Don’t let a faulty computer keep your reliable GM truck or SUV off the road. Our process simplifies a complex repair. By programming the module to your VIN before shipping, we handle the most technical part of the job. This ensures that the PCM has the correct calibration for your vehicle’s specific engine, transmission, and emissions equipment. This module is a direct replacement for multiple part numbers, including 16263494 and 16265035, covering a wide range of popular models like the Chevy Blazer, GMC Sonoma, Chevy Express Van, and Cadillac Escalade from this era. Please verify your part number and consult the detailed fitment list to ensure compatibility.
Do I need to get this PCM programmed by a dealer?
No. We program the module to your vehicle’s specific VIN before it ships. This means it will arrive ready for installation, saving you time and the high cost of dealership programming.
Is any additional setup required after installation?
In most cases, you may need to perform a simple security relearn procedure, also known as a CASE (Crankshaft Angle Sensor Error) relearn. This can typically be done without special tools and involves a series of key cycles. Instructions are readily available online for your specific model.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as the programming is essential for the part to function.
Is this compatible with my Chevy S10 Blazer?
Yes, this PCM is compatible with a wide range of GM vehicles from the 1998-2002 era, including the Chevy S10, Blazer, GMC Jimmy, Sonoma, and many full-size trucks and vans. Please check the detailed fitment list on this page and match your original part number to confirm compatibility.
What if my original part number is slightly different?
This module replaces several common GM part numbers, including 16263494 and 16265035. As long as your vehicle is on the compatibility list and your original part number is one of the listed interchanges, this unit will function correctly once programmed to your VIN.