BODENLA Auto Start-Stop Eliminator for Audi A4/S4/A5/Q5 (2017–2024) — Plug‑in Passive Cable, No ECU Reflash

BODENLA Auto Start Stop Eliminator is a plug-in cable that permanently defaults your Audi's start/stop system to off after installation, so the A-OFF function stays enabled automatically each time you restart the car.

If you own a compatible Audi A4, S4, A5, Q5 or SQ5 and find the factory start/stop behavior annoying or prefer to reduce cycling on the battery, this compact cable offers a simple way to keep the engine-stop feature disabled by default. It installs behind the center control panel and requires no electronic module or internal battery, minimizing the risk of error codes and avoiding changes to the car's computer configuration.

How does the eliminator work with my Audi's start/stop button?

After following the installation steps—remove the central control panel and plug the cable into the designated socket—the device communicates with the car so the A-OFF state becomes the default. When you start the vehicle, the Start/Stop button will light red within a few seconds to indicate the system is disabled. If you choose to reactivate the stop/start function manually, simply press the button and the factory behavior is restored until you restart.

• Plugs into existing control socket; no soldering or ECU reflash needed.
• Button returns to red (A-OFF) 3–5 seconds after ignition.
• Manual reactivation possible by pressing the start/stop button.
• No internal module or battery; purely passive cable solution.

Will installing this trigger errors or affect other systems?

The BODENLA cable is designed to avoid fault codes and does not include active electronics or an energy-storing component, which helps preserve the vehicle’s diagnostics. Because it uses the manufacturer’s control wiring paths, there’s no alteration to the ECU programming. Still, correct installation behind the center console is important to maintain OEM connections and avoid interference.

• No stored-energy devices mean lower chance of malfunction.
• Maintains factory wiring and plug-and-play socket connections.
• Removal returns the car to its original factory behavior without traces.
• Follow included disassembly tools and picture guide for safe install.

Which Audi models and years are compatible with this cable?

This specific eliminator is produced for later Audi platforms and fits a set range of model years. Check compatibility against your exact year and trim before ordering to ensure the control-panel connectors match. If you have a model outside the supported years, a different harness or professional consultation may be necessary.

• Fits Audi A4 and S4: model years 2017–2024.
• Fits Audi A5: model years 2018–2024.
• Fits Audi Q5 and SQ5: model years 2018–2024.
• Package includes the eliminator cable plus disassembly tools and installation picture.

Who is this for: Drivers who frequently stop and start in city traffic, owners who prefer to reduce engine cycling for battery longevity, and Audi drivers who want a non-invasive, reversible way to default the stop/start system to off. This product is intended for users comfortable removing interior trim panels or for professional installers; it’s a low-profile hardware solution that preserves factory wiring and returns to stock behavior if removed.