CARWATCH

Code B2240

Rear Cargo Door Reset Switch Stuck (Short to Ground)

What does code B2240 mean?

If scanning your vehicle resulted in the B2240 code, it means the OBD2 system logged a fault related to: "Rear Cargo Door Reset Switch Stuck (Short to Ground)".

Being a standardized error, it affects all OBD-II compliant vehicles. However, the precise diagnosis, the location of the faulty sensor, and the cost of parts will vary depending on the exact model of your car.

🛠️ Need to diagnose and clear the check engine light?

The easiest way to read engine data and fix this alert is by using a Bluetooth OBD2 reader directly from your smartphone.

🛒 View Recommended OBD2 Scanner on Amazon

Want to know if this fault is dangerous for your specific car?

Stop wasting time reading old forums. The CarWatch Artificial Intelligence can analyze your engine's live telemetry, translate this code into human language, and tell you exactly which part is failing.

🛠️ Translate Code to Human Language (Free)