Programmed 1997 Grand Prix PCM 19109047 Powertrain Control Module

Restore Your GM’s Drivability and Performance

Get your 1997 GM vehicle running like new with this Powertrain Control Module. It comes fully programmed to your car’s VIN for a hassle-free, plug-and-play installation. This is the direct-fit solution for fixing check engine lights, poor performance, and stalling issues. Order today to restore your car’s reliability!

$74.99

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Availability: In stock



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Restore Peak Performance to Your 1997 GM Vehicle

Is your 1997 Pontiac Grand Prix, Buick Regal, or another GM vehicle with the venerable 3.8L or 3.4L engine acting erratically? If you’re dealing with frustrating issues like a persistent check engine light, poor fuel economy, harsh shifting, or a no-start condition, the root cause is often a failing Powertrain Control Module (PCM). This essential component is the brain of your vehicle, and when it malfunctions, it can create a cascade of performance problems. This replacement PCM, part number 19109047, is the definitive solution to get your car running smoothly and reliably again.

The PCM is responsible for managing a complex network of sensors and actuators that control your engine and transmission. It precisely calculates ignition timing, fuel injector pulse width, and transmission shift points to ensure optimal power, efficiency, and emissions. Over time, internal components can degrade from heat, vibration, and electrical stress, leading to incorrect calculations and poor vehicle operation. Simply replacing the module isn’t enough; it must be correctly programmed to your vehicle’s specific Vehicle Identification Number (VIN) to function. We handle this critical step for you, loading the latest GM-certified software onto the module before it ships. This ensures it communicates perfectly with your vehicle’s existing systems right out of the box.

From the Diagnostic Bay

We recently had a 1997 Buick Riviera with the supercharged 3.8L come into the shop. The owner had spent hundreds of dollars replacing the mass airflow sensor, crank position sensor, and even the fuel pump, chasing an intermittent stalling problem and a P0300 random misfire code. The car would run fine for a few days, then suddenly start stumbling and die at a stoplight. After confirming all the new sensors were functioning correctly, we hooked up our diagnostic scanner and monitored the live data from the PCM. We noticed the injector pulse width was fluctuating wildly at idle, something the sensors weren’t commanding. We swapped in a known-good, programmed PCM, and the car ran perfectly. The original module had an internal fault that was causing the erratic fuel delivery. This case highlights how a faulty PCM can mimic other component failures, making a correct diagnosis crucial. This pre-programmed module eliminates the guesswork and solves the core problem.

Symptoms of a Failing Powertrain Control Module

  • ✔ Check Engine Light: The most common indicator, often with codes related to sensors, misfires, or internal module errors.
  • ✔ Poor Engine Performance: Noticeable loss of power, hesitation during acceleration, rough idling, or engine stumbling.
  • ✔ Reduced Fuel Economy: The engine may run too rich or too lean, causing a significant drop in your MPG.
  • ✔ Erratic Transmission Shifting: Harsh shifts, delayed engagement into gear, or getting stuck in one gear (limp mode).
  • ✔ Engine Stalling: The engine may stall intermittently, especially when coming to a stop or at idle.
  • ✔ No-Start Condition: In severe cases, the PCM may fail to activate the fuel pump or ignition coils, preventing the engine from starting at all.

Installation and Programming for Your 1997 Grand Prix PCM

This isn’t just a part; it’s a complete solution. The biggest hurdle when replacing a PCM is the programming. We eliminate that problem. When you place your order, you will provide us with your vehicle’s VIN. Our technicians will then use that information to load the correct, factory-updated software for your specific make, model, and engine option. This ensures that the 1997 Grand Prix PCM you receive is a true plug-and-play component.

Installation is straightforward for a DIY mechanic. The module is typically located in the engine bay, often within the air filter housing for protection. After disconnecting the battery, you simply unbolt the old module, carefully disconnect the wiring harnesses, and install the new one in its place. Once installed, you may need to perform a simple security relearn procedure (often called a VATS relearn) which allows the new PCM to communicate with your vehicle’s anti-theft system. This procedure can usually be done without special tools and instructions are widely available online or in service manuals.

Guaranteed Fitment

This module is a direct replacement for part numbers 19109047 and 16227797. It is guaranteed to fit and function correctly on the following 1997 models:

  • Bonneville: with 3.8L Supercharged engine
  • Camaro: with 3.8L engine
  • Eighty Eight: with 3.8L Supercharged engine
  • Firebird: with 3.8L engine
  • Grand Prix: with 3.8L Supercharged engine
  • Lumina Car: with 3.4L engine
  • Monte Carlo: with 3.4L engine
  • Park Avenue: with 3.8L engine
  • Regal: with 3.8L Supercharged engine
  • Riviera: with 3.8L engine

By ordering this pre-programmed 1997 Grand Prix PCM, you are choosing a reliable, cost-effective repair that restores your vehicle’s factory performance and drivability. Don’t let a faulty computer keep you off the road. Get the right part, programmed correctly, the first time.

Frequently Asked Questions

What exactly does a Powertrain Control Module (PCM) do?

The PCM is your vehicle’s main computer for the engine and transmission. It takes data from dozens of sensors (like oxygen, throttle position, and crankshaft sensors) and uses it to control outputs like fuel injectors, spark plugs, and transmission solenoids to ensure the vehicle runs efficiently and smoothly.

Is this part ready to install when I receive it?

Yes. This module is programmed with the latest GM software using the VIN you provide at checkout. This means it is ready for installation. In most cases, you will only need to perform a simple security relearn procedure after installation, which pairs the module to your car’s anti-theft system.

How do I provide my VIN for programming?

After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive and validate your VIN, as the programming is essential for the part to work.

Will this work on my 1997 Camaro with the 3.8L engine?

Absolutely. While our focus keyword mentions the Grand Prix, this PCM is compatible with a wide range of 1997 GM vehicles, including the Camaro with the 3.8L engine, as listed in our detailed fitment guide. The VIN-specific programming ensures it works perfectly for your specific model.

What happens if I continue driving with a bad PCM?

Continuing to drive with a failing PCM can lead to more serious problems. Poor engine performance can cause damage to your catalytic converter, and erratic transmission behavior can cause premature wear on internal components. In the worst-case scenario, the vehicle could stall in a dangerous situation or fail to start entirely.

MPN

19109047

Year

Genuine OEM

Yes

Condition

Refurbished

Model

Grand Prix

Year

1997

Brand

GM

Manufacturer Part Number

GTIN

Does not apply

Interchange part number

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