AccuAir AA-3638 E+ Connect ECU
Upgrade for Air Suspension

Modernize Your Existing AccuAir System

The AccuAir E+ Connect ECU Upgrade (AA-3638) brings today’s technology to older AccuAir SwitchSpeed or e-Level systems (pre-2019). With Bluetooth 5.0, OTA updates, RGB backlighting, and ride-height-on-start convenience , this plug-and-play ECU upgrade makes your setup smarter, more reliable, and easier to control.

Key Features

• Bluetooth 5.0 Connectivity: – strong, long-range wireless connection.

• Over-The-Air Updates: – keep your system current without hardware changes.

• RGB Backlighting:  – customize your setup to match your interior.

• Ride-Height-On-Start: – vehicle auto-adjusts to driving height at startup.

• Height Indication: – with Height+ sensors, view real-time height data in the e-Level+ app.

• Battery Saver Mode: – shuts down after 24 hours of inactivity.

• 100% Plug-and-Play: – easy upgrade with ECU+ and wireless switch box.

• Automatic Calibration: – accurate suspension setup with Height+ integration.

Compatibility

• Designed for AccuAir SwitchSpeed and e-Level systems built before 2019

• Works with R9 and R10 e-Level controllers

• Requires existing wiring harness and pressure sensor
  (may not be included with this ECU)

Why Choose This Upgrade?

If you own an older AccuAir system, the AA-3638 ECU+ is the smart way to future-proof it. Enjoy modern wireless control, customizable looks, and automatic updates—all without replacing your entire setup.