1999 Alero Powertrain Control Module BXAD Programmed to Your VIN
Restore Peak Performance to Your GM Vehicle
Is your Oldsmobile Alero, Pontiac Grand Am, or other GM vehicle suffering from frustrating issues like a persistent Check Engine Light, poor fuel mileage, erratic shifting, or even a no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the central computer of your engine. When the PCM falters, it can cause a cascade of problems that leave you stranded and facing expensive diagnostic bills. This replacement PCM is the reliable, straightforward solution to get your car running like it should.
We take the guesswork and hassle out of the repair. Unlike a generic module from a parts store or salvage yard, this unit comes professionally programmed specifically for your car. Simply provide us with your vehicle’s 17-digit VIN during checkout, and our technicians will flash the module with the very latest GM factory software updates. This ensures optimal performance, fuel efficiency, and transmission function, correcting many issues that were addressed by GM after your car left the factory. This is a vital step that saves you a costly trip to the dealership and the need for specialized programming equipment.
From the Diagnostic Bay: The Ghost in the Machine
I once had a 1999 Pontiac Grand Am with the 3.4L V6 in my bay that was a real head-scratcher. The owner complained of intermittent hard shifting and a random stalling problem that no one could pinpoint. The transmission checked out, the fuel pressure was solid, and all the sensors tested good. There were no ‘hard’ codes, just a history of a generic communication error. After checking wiring harnesses for the third time, I decided to scope the PCM’s command signals. That’s when I saw it: intermittent, noisy signals to the transmission solenoids. The PCM’s internal driver was failing under load. We installed a pre-programmed module just like this one, and the car ran flawlessly. It’s a perfect example of how a failing 1999 Alero Powertrain Control Module can mimic a dozen other problems.
Is Your GM Vehicle Showing These Symptoms?
- ✔ Persistent Check Engine Light
- ✔ Stored diagnostic trouble codes (DTCs) like P0601, P0602, or P0605, indicating internal module failure
- ✔ The engine cranks but refuses to start
- ✔ Unexplained drops in fuel economy
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Engine stalling or sputtering for no apparent reason
- ✔ Failure to pass an emissions inspection
A Straightforward Guide to Installation
Replacing the PCM is a manageable job for a DIY enthusiast. While the exact location varies slightly by model, the process is generally similar. For the 1999 Alero and Grand Am, it’s typically located on the left-hand (driver’s side) of the center dash area.
- Safety First: Always disconnect the negative terminal from your car’s battery and wait at least 15 minutes for any residual power to dissipate.
- Locate the Module: Access the old PCM. This may require removing lower dash panels or the glove box.
- Disconnect Connectors: Carefully unlatch and remove the electrical wiring harnesses from the old PCM. Inspect the connectors for any corrosion or bent pins.
- Remove the Old PCM: Unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New PCM: Mount your new, pre-programmed 1999 Alero Powertrain Control Module in place and securely fasten it.
- Reconnect Everything: Firmly plug the wiring harnesses back into the new module. Reconnect your vehicle’s battery.
- Perform Security Relearn: You will likely need to perform a simple key-cycle security relearn procedure. This typically involves turning the key to ‘ON’ for 10-15 minutes, then ‘OFF’, and repeating two more times. This allows the new PCM to recognize your vehicle’s anti-theft system.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of GM vehicles from 1998 and 1999. Please verify your vehicle and engine options below. It is compatible with service numbers 09356741, 16236757, 9357034, 9357440, and 9366314. If your original module has one of these numbers, this part is a match.
- 1999 Oldsmobile Alero (3.4L, LH center dash)
- 1999 Pontiac Grand Am (3.4L, LH center dash)
- 1998 Buick Century (3.1L)
- 1998 Buick LeSabre (3.8L)
- 1998 Buick Park Avenue (3.8L)
- 1998 Buick Regal
- 1998 Buick Riviera (3.8L)
- 1998 Buick Skylark (3.1L)
- 1998 Chevrolet Camaro (3.8L)
- 1998 Chevrolet Lumina Car (LH engine compartment)
- 1998 Chevrolet Malibu (3.1L)
- 1998 Chevrolet Monte Carlo
- 1998 Chevrolet Venture (3.4L)
- 1998 Oldsmobile Achieva (3.1L)
- 1998-1999 Oldsmobile Cutlass
- 1998 Oldsmobile Eighty Eight
- 1998 Oldsmobile Intrigue
- 1998 Oldsmobile Silhouette (LH engine compartment)
- 1998 Pontiac Bonneville
- 1998 Pontiac Firebird (3.8L)
- 1998 Pontiac Grand Am (3.1L)
- 1998 Pontiac Grand Prix
- 1998 Pontiac Trans Sport (LH engine compartment)
By purchasing this pre-programmed 1999 Alero Powertrain Control Module, you’re not just buying a part; you’re buying a complete, ready-to-install solution that restores your vehicle’s reliability and drivability.
Product Details
Category: GM
eBay Item ID: 197141699213
To program your module, we require your full 17-digit VIN. Please enter it in the payment notes and save to ensure we receive it. Orders without a VIN within our 2-business-day handling period may be canceled, as programming cannot proceed without it.
Shipping
- Processing Time:
Reliably shipped within 2-3 business days.
Warranty
Enjoy peace of mind with a one-year replacement warranty on this part, effective from the date you receive it. Labor costs are not covered.
If the part fails within the warranty period, we’ll replace it with a comparable unit or refund your purchase price, ensuring a hassle-free experience.
Return Address:
Highway71autoparts
9131 Highway 71 NE
Spicer, MN, 56288
