Restore Your Aztek’s Performance and Reliability
Is your Pontiac Aztek running rough, shifting erratically, or showing a persistent check engine light? A failing Powertrain Control Module (PCM) is often the hidden cause of these frustrating and complex issues, leaving you with a vehicle you can’t trust. Stop guessing with expensive new sensors and get the definitive fix. This replacement engine computer is the core of your vehicle’s performance, and we provide a simple, reliable solution to get you back on the road with confidence.
This is a direct-fit replacement for your original module. We take the guesswork and high dealership costs out of the equation by professionally programming this unit to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This ensures that it communicates perfectly with your Aztek’s existing systems, restoring the smooth engine performance and crisp transmission shifting you’ve been missing. For anyone looking for a dependable fix for their vehicle, this 2003-2005 Pontiac Aztek PCM 89017735 is the correct and most effective choice.
Common Failure Symptoms & Your Direct Solution
A faulty PCM can manifest in numerous ways that often mimic other component failures. If you’re experiencing any of the following, this module is your likely solution:
- Persistent Check Engine Light (CEL)
- Engine Stalling or Misfiring
- Harsh or Inconsistent Automatic Transmission Shifting
- Poor Fuel Economy
- Failure to Pass Emissions Testing
- No-Start or Intermittent Starting Conditions
- Communication Error Codes (U-codes)
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready to install, eliminating the need for expensive dealership programming or special scan tools.
- ✔ Updated GM Software: Flashed with the latest vehicle-specific software from General Motors for optimal performance and efficiency.
- ✔ Direct-Fit Replacement: Engineered to match the original form and function of part number 89017735 and its alternatives, ensuring a straightforward installation.
- ✔ Solves Complex Issues: The correct solution for resolving stubborn electronic and drivability problems that new parts haven’t fixed.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
As a technician, I’ve seen countless vehicle owners waste time and money on modules from salvage yards. While they may look identical, a PCM is not a simple ‘plug-and-play’ part. It contains specific software and security information tied to the original vehicle’s VIN. Installing an unprogrammed module will almost always result in a no-start condition or a cascade of warning lights. Our process of programming the 2003-2005 Pontiac Aztek PCM 89017735 to your VIN before shipping is what makes this a true solution. It ensures the module is correctly matched to your engine, transmission, and options, saving you a tow to the dealer and hundreds in programming fees.
By installing our precisely programmed module, you are not just replacing a part; you are restoring your vehicle’s operational integrity. Regain the peace of mind that comes from a reliable, smooth-running vehicle. This is the most efficient path to resolving those nagging engine codes and performance issues for good.
Frequently Asked Questions
What is a PCM and what does it do?
The Powertrain Control Module (PCM) is the central computer of your vehicle. It controls all aspects of the engine and transmission, managing everything from fuel injection and ignition timing to emission systems and automatic shift points to ensure optimal performance and efficiency.
Is this module difficult to install?
Physically, the installation is straightforward for a DIYer with basic tools. It typically involves disconnecting the battery, unplugging the electrical connectors from the old module, unbolting it, and installing the new one. Since our module comes pre-programmed, the complex software side is already handled for you.
Do I need to do anything after installation?
In many GM vehicles of this era, a security relearn procedure may be required after installation. This procedure is simple, does not require special tools, and involves a sequence of turning the key in the ignition. Instructions are readily available online or in service manuals. Some vehicles may also require a Crankshaft Variation (CASE) relearn, which requires a compatible scan tool, though the vehicle will typically run and drive without it.
How do I provide my VIN?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. You can typically find this on your driver’s side door jamb sticker, your insurance card, or on the dashboard visible through the windshield. We cannot program and ship your module without it.
Will this fix my specific check engine light codes?
This 2003-2005 Pontiac Aztek PCM 89017735 is the direct solution for codes related to internal module failure, processor faults, and communication errors. It also often resolves persistent sensor codes that do not go away even after the sensor has been replaced, as the PCM is responsible for interpreting that sensor data.
What does ‘programmed to my VIN’ really mean?
It means we load the exact, factory-correct software file from GM that matches your vehicle’s specific engine, transmission, emissions equipment, and other options. This ensures seamless integration and proper function, just like the original module did when your vehicle was new.