1998 Buick Century Powertrain Control Module PCM 9357034

Restore Peak Performance to Your GM Vehicle

Is your 1998 Buick Century, Grand Prix, or another compatible GM vehicle suffering from erratic behavior? Issues like a persistent Check Engine Light, poor fuel economy, harsh shifting, or even a no-start condition often point to a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, a faulty PCM can cause a cascade of frustrating and potentially damaging problems. This replacement Powertrain Control Module, service number 9357034, is the definitive solution to restore your vehicle’s reliability, efficiency, and drivability.

Common Symptoms of a Failing PCM

• ✔ Persistent Check Engine Light (CEL) with various trouble codes.
• ✔ Unexplained drop in fuel mileage.
• ✔ Rough or unstable idling.
• ✔ Engine stalling, stumbling, or hesitating during acceleration.
• ✔ Hard or erratic automatic transmission shifting.
• ✔ Failure to pass emissions testing.
• ✔ Complete no-start condition where the engine cranks but won’t fire.
• ✔ Communication errors with diagnostic scan tools.

Why Choose Our 1998 Century Powertrain Control Module?

Getting your vehicle back on the road shouldn’t be a guessing game. Unlike generic modules from a salvage yard that require expensive dealer programming, our PCM arrives at your door ready for installation. We take the complexity out of the process. When you place your order, you provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). Our technicians then use this information to flash the module with the latest, most stable GM-certified software specific to your car’s original configuration. This ensures seamless communication between all vehicle systems and optimal performance from day one.

This is a true plug-and-play solution. Once installed, your vehicle will recognize the new module as its own. In most cases, no additional security relearn procedures or costly trips to a mechanic are necessary. You are getting a reliable, correctly configured component that directly addresses the root cause of your vehicle’s electronic issues.

Guaranteed Compatibility and Fitment

This module, part number 9357034, is a direct replacement for a wide range of GM vehicles from the late 1990s. It is also a compatible replacement for the following service numbers: 09356741, 16236757, 9357440, and 9366314. It is engineered to fit and function perfectly in the following models:

• 1998-1999 Oldsmobile Cutlass
• 1998-1999 Pontiac Grand Am (3.1L & 3.4L)
• 1998 Buick LeSabre (3.8L)
• 1998 Buick Park Avenue (3.8L)
• 1998 Chevrolet Venture / Pontiac Trans Sport / Oldsmobile Silhouette (3.4L)
• 1999 Oldsmobile Alero (3.4L)
• 1998 Buick Riviera (3.8L)
• 1998 Buick Century (3.1L)
• 1998 Buick Skylark / Oldsmobile Achieva (3.1L)
• 1998 Pontiac Grand Prix
• 1998 Oldsmobile Eighty Eight
• 1998 Chevrolet Camaro / Pontiac Firebird (3.8L)
• 1998 Chevrolet Malibu (3.1L)
• 1998 Oldsmobile Intrigue
• 1998 Chevrolet Lumina
• 1998 Chevrolet Monte Carlo
• 1998 Buick Regal

By ordering this pre-programmed 1998 Century Powertrain Control Module, you are not just buying a part; you are investing in a complete, hassle-free repair that restores your vehicle’s core functionality.