1998 Monte Carlo PCM Powertrain Control Module 9357440

Restore Your Monte Carlo’s Drivability

Get a direct-fit Powertrain Control Module for your 1998 Monte Carlo, pre-programmed to your VIN. This PCM (9357440) solves common issues like rough idling, poor shifting, and no-start conditions. Skip the dealer and install a reliable, ready-to-go solution. Order today!

$68.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-05069-109 Categories: ,
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Restore Peak Performance to Your Vehicle’s Engine and Transmission

Is your 1998 Chevrolet Monte Carlo, or another compatible GM vehicle, suffering from erratic engine behavior, poor fuel economy, or transmission shifting problems? The Powertrain Control Module (PCM) is the central computer responsible for managing these critical systems. When it begins to fail, it can cause a cascade of frustrating and potentially damaging issues. This replacement Powertrain Control Module, part number 9357440, is the definitive solution to restore your vehicle’s factory performance, drivability, and reliability.

This isn’t just a generic part off the shelf. We provide a fully programmed, plug-and-play solution tailored specifically to your vehicle. Upon purchase, you simply provide us with your vehicle’s VIN. Our technicians will then flash the module with the latest, most stable software updates directly from General Motors. This ensures perfect compatibility and optimal function, eliminating the need for an expensive trip to the dealership for programming.

From the Diagnostic Bay

We had a 1998 Pontiac Grand Prix come into the shop with a complaint of harsh, unpredictable shifting and a check engine light for a transmission solenoid code. The owner had already replaced the solenoid twice with no change. After checking the wiring and finding no faults, we suspected the PCM. The internal driver for that specific solenoid had failed, a common issue in these modules. Instead of another expensive guess, we installed a VIN-programmed PCM like this one. The car immediately shifted smoothly, the code was cleared, and the customer was back on the road, having saved hundreds on unnecessary parts and labor.

Why Choose Our Pre-Programmed 1998 Monte Carlo PCM?

The PCM is the brain of your vehicle, controlling everything from the air-fuel mixture and ignition timing to the transmission shift points and torque converter lockup. A faulty unit can leave you stranded or cause long-term damage to your engine and transmission. Our service simplifies the repair process. By programming the module to your VIN before shipping, we ensure that it communicates flawlessly with all other modules in your vehicle right out of the box. This is a direct-fit replacement for service numbers 09356741, 16236757, 9356741, 9357034, 9357440, and 9366314, covering a wide range of GM vehicles from that era.

Common Symptoms of a Failing PCM

  • ✔ Check Engine Light (CEL) illumination with various trouble codes.
  • ✔ Rough or inconsistent engine idle.
  • ✔ Stalling, hesitation, or stumbling during acceleration.
  • ✔ Noticeable decrease in fuel economy.
  • ✔ Harsh, delayed, or erratic automatic transmission shifting.
  • ✔ Failure to start or intermittent no-start conditions.
  • ✔ Communication errors with diagnostic scan tools.
  • ✔ Engine performance issues that are not resolved by replacing sensors or other components.

Simple Installation Process

Replacing the PCM is a straightforward process for a DIY mechanic or any professional technician. After receiving your VIN-programmed module, simply disconnect the vehicle’s battery, locate the old PCM (often in the engine bay or under the dashboard), carefully unplug the electrical connectors, unbolt the unit, and install the new one in its place. Reconnect the connectors and the battery. In many cases, a security relearn procedure may be required, which can typically be done without special tools. Instructions are widely available online for this simple key-cycling process.

Don’t let a failing computer dictate your vehicle’s performance. Take control of your repair with a reliable, professionally programmed PCM that is ready to install upon arrival. Restore the smooth, efficient operation you expect from your vehicle.

Frequently Asked Questions

What information do I need to provide for programming?

We require your vehicle’s 17-digit Vehicle Identification Number (VIN) to program the module. You can typically find this on your driver’s side dashboard (visible through the windshield), on the driver’s door jamb sticker, or on your vehicle’s registration and insurance documents.

Is this a plug-and-play part?

Yes, this PCM comes fully programmed to your VIN with the latest GM software. In most cases, it is a direct installation. Some vehicles may require a simple security relearn procedure (often called a key relearn or Passlock relearn), which involves a series of key cycles and can be done in your driveway.

Will this fix my check engine light?

If the check engine light and associated diagnostic trouble codes are caused by a faulty PCM, this replacement unit will resolve the issue. It is crucial to properly diagnose the problem first, as the light can be triggered by many other components like sensors or wiring issues.

Where is the PCM located on my 1998 Monte Carlo?

On the 1998 Chevrolet Monte Carlo, the Powertrain Control Module is typically located inside the vehicle, behind the right-hand side of the dashboard, near the glove box area. Always consult a repair manual for your specific vehicle to confirm the location before beginning work.

Does this module come with a warranty?

Yes, all of our electronic control modules come with a standard warranty against defects in materials and workmanship. Please refer to the warranty tab on the product page for specific details and duration.

Condition

Refurbished

Year
Genuine OEM

Yes

MPN

9357440

Interchange part number

PartNumber

590

Model

Monte Carlo

Year

1999

Brand

GM

Manufacturer Part Number

, , , , , ,

superseded part number

09356741 16236757 16236757 9356741 9357034 9357440, 9366314

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