Is Your Vehicle Running Rough? It Could Be The Powertrain Control Module.
If you’re dealing with a persistent Check Engine Light, poor fuel economy, stalling, or a no-start condition in your GM vehicle, the root cause is often the Powertrain Control Module (PCM). As the central computer of your vehicle, the PCM is responsible for managing the engine, transmission, and other critical systems. When it begins to fail, it can create a cascade of frustrating and difficult-to-diagnose issues. This replacement PCM, part number 16245305, is the definitive solution to restore your vehicle’s performance and reliability.
We once had a 1998 Grand Am come in with a persistent random misfire code (P0300). The owner had already replaced the spark plugs, wires, and even the coil packs, but the issue remained. After hooking up our diagnostic scanner and monitoring live data, we noticed the fuel trim numbers were erratic and injector pulse widths were inconsistent on two cylinders. Instead of throwing more parts at it, we tested the PCM’s driver circuits and found they were failing intermittently under load. A correctly programmed replacement PCM solved the problem instantly. It’s a classic case of symptoms pointing to one thing, while the root cause lies with the vehicle’s computer.
Common Symptoms of a Failing PCM
- ✔ Persistent Check Engine Light (CEL) with various trouble codes.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Complete no-start or intermittent starting problems.
- ✔ Failure to pass state emissions testing.
- ✔ Communication errors with diagnostic scan tools.
The Direct-Fit Solution: Your Achieva PCM Replacement
Don’t settle for a generic, unprogrammed module that requires an expensive trip to the dealership. This unit is the ideal Achieva PCM Replacement because it arrives at your door fully programmed specifically for your vehicle. We use the Vehicle Identification Number (VIN) you provide at checkout to load the latest, most stable software updates from GM. This ensures that your vehicle operates exactly as the manufacturer intended, with optimal performance, fuel economy, and emissions control. This plug-and-play approach eliminates the need for specialized programming tools, saving you time and money.
Installation and Relearn Procedure
Physically installing the module is straightforward, typically involving disconnecting the battery and swapping the unit. After installation, some GM vehicles of this era may require a security relearn procedure (such as Passlock) or a Crankshaft Variation (CASE) relearn to ensure all systems communicate correctly and the Check Engine Light stays off. These procedures can often be performed without special tools and instructions are widely available.
Guaranteed Compatibility
This module is a direct replacement for service numbers 16228016, 8162280160, and 16245305. It is confirmed to fit the following vehicles:
- ACHIEVA 1997-1998 (2.4L)
- CAVALIER 1997-1999
- GRAND AM 1997-1998 (2.4L), 1999 (2.4L, ID 16228016)
- ISUZU HOMBRE 1996, 1997-1998 (2.2L), 1999-2000 (2.2L)
- MALIBU 1997-1998 (2.4L), 1999 (2.4L)
- S10/S15/SONOMA 1997-1998 (2.2L), 1999 (2.2L), 2000 (2.2L, VIN 4)
- SKYLARK 1997-1998 (2.4L)
- SUNFIRE 1997-1999
Frequently Asked Questions
Do I need to send you my VIN?
Yes, providing your vehicle’s 17-digit VIN is mandatory. We use it to load the precise factory software and updates for your specific make, model, and options, ensuring a perfect match and proper function.
Is this part difficult to install?
The physical replacement is typically simple, requiring basic hand tools to disconnect the old module and connect the new one. However, you may need to perform a security or CASE relearn procedure afterward, which is a common requirement for GM vehicles.
Will this fix my vehicle’s specific problem?
This module corrects issues directly caused by a faulty PCM. While it resolves a wide range of engine and transmission problems, it’s crucial to ensure your vehicle has been properly diagnosed. This part will not fix issues related to faulty sensors, wiring, or mechanical components.
What makes this a better choice than a junkyard part?
A used part from a junkyard will not be programmed for your VIN and may have the same internal faults as your old one. Our modules are fully tested, and professionally programmed with the latest software for your vehicle, offering a reliable, long-term solution.
Is this the correct 1997-1998 Achieva PCM Replacement for my car?
Yes, if your vehicle is a 1997 or 1998 Oldsmobile Achieva with the 2.4L engine, this module is the correct fit. It also fits a wide range of other GM models listed in the compatibility chart. Always match the service number on your original part to ensure 100% compatibility.