1998 – 1999 GMC Safari () Engine Control Module 09355699 Programmed To Your VIN VIN PCM ECM

1998 – 1999 GMC SAFARI Powertrain Control Module (PCM) 09355699 – Programmed to Your VIN

Imagine your 1998-1999 GMC Safari suddenly hesitating during acceleration or throwing check engine lights on a family road trip. These frustrating symptoms often point to a failing powertrain control module, disrupting engine performance and fuel efficiency. Our pre-programmed PCM, part number 09355699, offers a direct solution, flashed with the latest GM updates tailored to your VIN for seamless integration. Compatible with alternate numbers like 16250279 and 09366810, this module restores optimal operation in various GM vehicles, including your Safari. By addressing core electronic issues, it enhances reliability, clears persistent codes, and gets you back on the road confidently. Transitioning from diagnostics to repair, this VIN-specific programming ensures no compatibility headaches, making it ideal for DIY enthusiasts or shop owners seeking quick fixes.

Key Features & Benefits

• Delivers precise engine management by monitoring sensors and adjusting fuel injection for smoother idling and better throttle response.
• Incorporates the newest GM software flashes to resolve outdated calibration problems, improving overall drivability in older models like the Safari.
• Supports gasoline engines in 98-99 GM vans and trucks, ensuring broad compatibility without the need for additional modifications.
• Reduces diagnostic time with plug-and-play readiness once programmed to your VIN, minimizing downtime for daily drivers.
• Enhances fuel economy and emissions control, helping pass inspections while preventing costly breakdowns from ignored module failures.
• Comes with expert-backed assurance, drawing from years of hands-on experience in GM electronics for reliable performance in demanding conditions.

Common Issues & How This Fixes Them

Owners of 1998-1999 GMC Safari vans frequently encounter powertrain control module failures that manifest as rough idling, stalling at stops, or unexplained loss of power while merging onto highways. For instance, if your Safari’s engine misfires under load, it could stem from corrupted module data affecting ignition timing—often triggered by voltage spikes or age-related wear. This replacement PCM corrects that by recalibrating signals with fresh GM updates, eliminating erratic behavior and restoring smooth operation. Another common headache is persistent check engine lights from faulty sensor interpretations, like oxygen or throttle position errors, leading to poor gas mileage. Our VIN-programmed unit resolves these by syncing perfectly with your vehicle’s systems, clearing codes and preventing recurrence. In rainy conditions, water intrusion near the left front battery area can short the module, causing no-start scenarios; replacing it with this updated version seals out issues and boosts resilience. From my experience, I’ve seen Safari owners frustrated with towing hitches— a bad PCM might limit torque, but this fix optimizes power delivery for safer hauls. Always scan for DTCs first; if you spot codes like P0601 for internal memory faults or P0300 for random misfires, this module directly targets the root cause, saving you from repeated shop visits.

Easy Installation Guide

1. Provide your VIN after purchase so we can program the PCM with the latest GM updates specific to your 1998-1999 GMC Safari.
2. Disconnect the battery to ensure safety and reset any residual power; locate the PCM on the left front by the battery in your Safari.
3. Remove the old module by unplugging connectors and unbolting it carefully—inspect for corrosion and clean terminals if needed.
4. Install the new PCM in the same position, securing bolts and reconnecting all harnesses firmly to avoid loose connections.
5. Reconnect the battery and perform a CASE relearn if the engine runs rough: use a scan tool to initiate crankshaft position variation learn, following GM protocols for your model.
6. If the vehicle doesn’t start post-install due to security features, conduct a theft deterrent relearn—insert key, turn to ON for 10 minutes, off for 30 seconds, repeat three times; our programming minimizes this need, but it’s a simple fix if required.

Fitment Details

Regain control of your 1998-1999 GMC Safari’s performance with this VIN-programmed PCM—it’s the expert choice for lasting fixes and peace of mind. Don’t let module issues sideline your van; order now and experience the difference in reliability and efficiency.