2006 GMC Envoy XL Powertrain Control Module (PCM) 12569773 – Programmed to Your VIN
If you’re dealing with erratic engine performance in your 2006 GMC Envoy XL, a faulty powertrain control module could be the culprit. As a seasoned automotive repair advisor with over two decades in diagnostics and parts, I’ve seen how a failing PCM disrupts everything from fuel efficiency to transmission shifts. This pre-programmed PCM, part number 12569773, arrives ready for your vehicle with the latest GM updates, matched precisely to your VIN for seamless integration. Let’s dive into why this is the reliable fix you’ve been searching for.
Key Features & Benefits
This PCM isn’t just a replacementโit’s optimized with fresh GM software flashes that address known vulnerabilities in 2006 models. By providing your VIN after purchase, we ensure it’s calibrated specifically for your Envoy XL, preventing compatibility headaches. Key perks include restored engine timing for smoother acceleration, improved fuel management to combat poor mileage, and enhanced diagnostic capabilities that help clear persistent check engine lights.
- Direct fit for easy swap-out, no need for dealer reprogramming.
- Supports multiple part numbers like 12588650, 12589311, and more for broad compatibility.
- Boosts overall drivability, especially during heavy loads or highway cruising.
- Comes with expert-backed assurance for long-term reliability.
Imagine heading out on a family road trip only to face sudden power lossโ this module restores confidence by stabilizing systems that control ignition and emissions.
Common Issues & How This Fixes Them
Over the years, I’ve diagnosed countless PCM failures in GM vehicles like the Envoy XL. Symptoms often start subtle: rough idling at stoplights, hesitation during acceleration, or unexplained stalling when the engine warms up. In rainy conditions, water intrusion near the left engine compartment can short circuits, triggering DTCs like P0601 (internal control module memory error) or P0300 (random misfire detected).
A real scenario I recall involved a client whose 2006 Envoy XL wouldn’t shift properly while towing a trailer uphill. The root cause? Corroded PCM connectors leading to communication faults. Replacing with this programmed unit resolved it instantly, recalibrating sensors for precise control.
Another frequent issue is voltage irregularities causing no-start conditions, often linked to DTC P1682 (ignition switch circuit). This PCM fixes that by incorporating updated firmware that strengthens electrical stability. If you’re seeing reduced power mode or erratic gauge readings, this module recalibrates everything, eliminating the need for repeated shop visits.
Pro tip: Before installation, scan for codes with an OBD-II tool. Clearing them post-swap ensures the new PCM syncs without legacy errors.
Easy Installation Guide
Swapping this PCM is straightforward for most DIYers, taking about 30-45 minutes. Locate it on the left side of the engine (LH engine) in your Envoy XL. Tools needed: basic socket set, screwdriver, and battery disconnect tool.
- Disconnect the battery to avoid shorts.
- Remove the mounting bracket and unplug harnesses carefully.
- Install the new PCM, reconnect, and provide your VIN for pre-shipment programming.
- Reconnect battery and test drive to verify smooth operation.
If you’re not comfortable, a local mechanic can handle it affordably. Always double-check connections to prevent future issues.
Fitment Details
This PCM is engineered for exact fitment in your 2006 GMC Envoy XL with the 4.2L engine, positioned on the left engine side. It cross-references with numbers such as 12591647, 12604438, and 19209820, ensuring versatility.
Compatible with:
- 2006 GMC Envoy XL Electronic Control Module (LH engine, 4.2L)
- 2004-2006 Chevrolet Colorado (RH firewall)
- 2006 Buick Rainier (LH engine, 4.2L)
- 2006 Hummer H3 (RH firewall)
- 2006 Isuzu Ascender (LH engine, 4.2L)
- 2006 Isuzu I-350 (RH firewall)
- 2006 Chevrolet TrailBlazer (LH engine, 4.2L)
- 2006 Chevrolet TrailBlazer EXT (LH engine, 4.2L)
- 2006 Isuzu I-280 (RH firewall)
- 2006 Saab 9-7X (LH engine, 6 cylinder, IDs 12569773 or 12597521)
- 2004-2006 GMC Canyon (RH firewall)
- 2006 GMC Envoy (LH engine, 4.2L)
Verify part numbers and provide your VIN for confirmation to guarantee a perfect match. Don’t let a failing PCM sideline your Envoy XLโorder now and get back on the road with confidence. Act today for fast shipping and expert support!