1999 Chevrolet Camaro Powertrain Control Module (PCM) 09374997 – Programmed to Your VIN

Struggling with erratic engine behavior in your 1999 Chevrolet Camaro? As a seasoned automotive repair advisor with over two decades in diagnostics and parts, I’ve seen how a faulty Powertrain Control Module (PCM) can turn a smooth drive into a headache. This OEM-spec PCM, part number 09374997, comes pre-programmed with the latest GM updates tailored to your vehicle’s VIN. We handle the flashing process after purchase—just send us your VIN, and we’ll ship it ready to install. Let’s dive into why this module is your go-to solution for restoring peak performance in your 3.8L Camaro or compatible Firebird.

Key Features & Benefits

This PCM isn’t just a replacement; it’s optimized for reliability. It integrates seamlessly with your 1999 Camaro’s systems, managing fuel injection, ignition timing, and emissions controls with precision. Key perks include:

• VIN-Specific Programming: Ensures exact match to your vehicle’s specs, eliminating compatibility glitches.
• Latest GM Updates: Incorporates factory enhancements for better efficiency and smoother operation.
• Direct Fit: Designed for the spot behind the right-hand strut tower, making swaps straightforward.
• Cross-Compatible Service Numbers: Works with 09374997 and 9374997 for broader application.

Imagine cruising on a weekend road trip without sudden stalls or hesitation—these updates help prevent that, drawing from real-world fixes I’ve applied in shops.

Common Issues & How This Fixes Them

Owners of 1999 Camaros often face PCM-related woes, especially with the 3.8L engine. Picture this: You’re accelerating onto the highway, and your engine hesitates, throwing a check engine light. Common symptoms include rough idling, poor fuel economy, or failure to start. These stem from degraded internal components in the original module, corrupted software, or electrical faults triggering diagnostic trouble codes (DTCs) like P0300 for random misfires or P0171 for lean fuel mixtures.

Swapping in this programmed PCM resolves these by resetting the system’s brain. In my experience, a fresh module clears persistent DTCs and restores responsive throttle. For instance, if moisture from a leaky seal has corrupted your old unit—common in older models exposed to elements—this replacement seals the deal with updated firmware that enhances durability. Pro tip: Before installation, scan for codes using an OBD-II tool to confirm the PCM is the culprit, saving you time and frustration.

Another scenario: During cold starts, your Camaro might surge or die unexpectedly. This often ties back to faulty sensor data processing in the PCM. Our VIN-matched unit recalibrates everything, improving cold-weather reliability and overall drivability. I’ve helped countless drivers avoid towing bills by addressing these early—don’t let a failing module sideline your ride.

Easy Installation Guide

Installing this PCM is DIY-friendly for those with basic tools, but always consult a professional if unsure. Here’s a step-by-step:

1. Disconnect the battery to reset the system and avoid shorts.
2. Locate the module behind the right-hand strut tower in the engine bay.
3. Remove mounting bolts and unplug connectors carefully—note their positions.
4. Install the new PCM, reconnect, and secure it.
5. Reconnect the battery and clear any stored codes with a scanner.

Expert tip: After installation, drive a few cycles to let the module adapt. If issues persist, double-check wiring for corrosion, a frequent oversight in 1999 models.

Fitment Details

This PCM fits perfectly in 1999 Chevrolet Camaro models with the 3.8L engine, positioned behind the RH strut tower. It’s also compatible with 1999 Pontiac Firebird under the same specs. Verify your part numbers match 09374997 or 9374997. Provide your VIN post-purchase for precise programming—ensuring it syncs flawlessly with your vehicle’s unique configuration.

Compatible with:

• 1999 Chevrolet Camaro (3.8L, Electronic Control Module behind RH strut tower)
• 1999 Pontiac Firebird (3.8L, Electronic Control Module behind RH strut tower)

Ready to get your Camaro running like new? Order this PCM today, share your VIN, and experience the difference. Act now—delays could lead to more downtime. Questions? I’m here to help troubleshoot.