2003-2004 Bravada PCM Powertrain Control Module 12573576

Restore Your Bravada’s Performance!

Get your 2003-2004 Bravada running smoothly again with a reliable, VIN-programmed Powertrain Control Module. This unit is flashed with the latest GM software to solve issues like stalling, poor shifting, and check engine lights. Provide your VIN at checkout for a simple, plug-and-play solution.

$99.74

+11.99 USPS Priority Shipping

Availability: In stock



Guaranteed Safe Checkout

Is Your Oldsmobile Bravada Running Rough?

If your 2003-2004 Oldsmobile Bravada, or a related GM vehicle like the Trailblazer or Envoy, is suffering from perplexing issues like a persistent check engine light, erratic shifting, poor fuel economy, or even a no-start condition, the root cause is often a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, the PCM’s health is critical for your vehicle’s performance, reliability, and efficiency. When it begins to fail, it can create a cascade of problems that are frustrating and difficult to diagnose.

From the Diagnostic Bay
I once had a 2004 GMC Envoy come into the shop with a complaint of intermittent stalling and a transmission that seemed to have a mind of its own, shifting hard one minute and hesitating the next. The owner had already replaced the throttle body and multiple sensors with no luck. We scanned the vehicle and found a handful of seemingly unrelated communication error codes. Instead of chasing ghosts, we went straight to the source. We checked the power and ground circuits to the PCM, which were solid. After monitoring the live data stream, we saw erratic readings that pointed to an internal PCM fault. We installed a correctly programmed replacement module, performed the security relearn, and the truck ran like it just rolled off the assembly line. It’s a classic case of how a failing PCM can mimic a dozen other problems.

The Direct Solution: A VIN-Programmed 2003-2004 Bravada PCM

Don’t let a faulty computer keep you off the road. This replacement Powertrain Control Module, part number 12573576, is the definitive solution to restore your vehicle’s factory performance. We take the guesswork out of the repair by pre-programming the module specifically for your vehicle using your VIN. This ensures that all software, including the latest updates from GM, is perfectly matched to your vehicle’s specific configuration, options, and emissions requirements. It’s a true plug-and-play solution designed to get you back on the road quickly and confidently.

Common Symptoms of a Failing PCM

  • ✔ Persistent Check Engine Light (CEL) with various trouble codes.
  • ✔ Engine stalling, stumbling, or misfiring.
  • ✔ Harsh or erratic automatic transmission shifting.
  • ✔ A noticeable decrease in fuel economy.
  • ✔ The engine cranks but refuses to start.
  • ✔ Communication errors with diagnostic scan tools.
  • ✔ Failure to pass state emissions testing.

Guaranteed Compatibility and Simple Installation

This module is a direct replacement for a wide range of GM SUVs built on the GMT360 platform, including the Oldsmobile Bravada, GMC Envoy, Chevy Trailblazer, Buick Rainier, Isuzu Ascender, and Saab 9-7X. It is compatible with multiple original part numbers, including 12573576, 12574976, 12577955, 12584593, 16255757, and 19210065. Installation is straightforward: simply disconnect the battery, remove the old module, install the new one, and reconnect the battery. In most cases, you will need to perform a simple security relearn procedure (often called a CASE relearn) which can be done without special tools and takes about 30 minutes. This procedure allows the new PCM to communicate with your vehicle’s anti-theft system.

By providing your VIN upon purchase, you ensure that the 2003-2004 Bravada PCM arrives ready for installation, saving you a costly trip to the dealership for programming. Restore the precision and reliability of your vehicle’s engine management system today.

Frequently Asked Questions

What is a PCM and what does it do?

The Powertrain Control Module (PCM) is your vehicle’s main computer. It controls all aspects of engine and transmission function, including fuel injection, ignition timing, emissions systems, and shift points, to ensure optimal performance and efficiency.

Why do you need my vehicle’s VIN?

Your Vehicle Identification Number (VIN) allows us to program the PCM with the exact software and calibrations specific to your vehicle’s engine, transmission, and factory options. This ensures a perfect match and proper function without needing a trip to the dealer.

Is this a plug-and-play part?

Yes, because we program it to your VIN, it is ready to install. After installation, you will need to perform a standard security relearn procedure, which syncs the new module with your vehicle’s anti-theft system. This procedure is simple and instructions can be easily found online for your specific model.

Will this fix my check engine light?

If the check engine light and associated codes are caused by a faulty PCM, this replacement module will solve the problem. It’s crucial to ensure that the issue is not with a sensor or other component that the PCM is correctly identifying as faulty.

Does this module fit vehicles other than the Bravada?

Absolutely. This PCM is a direct replacement for many 2003-2006 GM SUVs with the 4.2L inline-6 engine, including the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender, and Saab 9-7X. Please verify your part number or contact us to confirm fitment.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

12573576

Interchange part number

PartNumber

590

Model

BRAVADA

Year

2004

Brand

GM

Manufacturer Part Number

Hardware Type

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