-
Motorhomes
- 2026
- 2025
- 2024
- Class A
- Class C
- Super C
- Class A
- Class C
- Class A
- Shop
- Owners
- Service & Maintenance
- REV Assist
- Shop Parts
- Schedule Service or Repair
- Community
- Warranty
- Owners Club
- Events
- Shop Gear
- About
The most common culprit is the Intel Management Engine Interface. This is a hardware subsystem that allows the operating system to communicate with the Intel Management Engine firmware. This subsystem handles:
You can resolve this issue by identifying your hardware ID or manually forcing a system driver update. Method 1: Use Hardware IDs to Find the Correct Driver The most common culprit is the Intel Management
In rare cases, the Management Engine may be disabled in the BIOS. Method 1: Use Hardware IDs to Find the
The standard PCI device class code 07 80 defines a "Simple Communications Controller." When Windows detects a device with this class code but does not have a vendor-specific driver to give it a friendly name (e.g., "Intel Management Engine Interface"), it defaults to the generic class name. Consequently, the error is not a description of a specific device, but rather a symptom of a missing software interface. The PCI bus is a standard interface for
The PCI bus is a standard interface for connecting hardware devices to the computer's motherboard. During the boot process, the BIOS/UEFI enumerates devices on the bus. Windows receives this enumeration and attempts to match the detected hardware against its driver store (Driver Store) and Windows Update caches.
If the IMEI driver is missing, Windows recognizes the PCI device exists but cannot utilize its instruction set, defaulting it to a "Simple Communications Controller."
© 2026 REV Group, INC. All Rights Reserved
We use cookies to ensure that we give you the best experience on our website. We also use tracking technology from third parties to deliver you a personalized experience. This includes, but is not limited to, data that may identify you (e.g. your IP address, browser agent, general location, etc.).
The data is collected as described in our privacy policy. By clicking “Agree” you consent to this data collection and to our privacy policy.