BMW short circuit reset

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BMW cars are equipped with light control modules that will switch off an output in case of short circuit. The shorted-out output will remain off even if the problem in wiring/lamp is repaired.

This app allows you to save money by doing short circuit reset yourself using a simple elm327 Bluetooth adapter (available for sale separately from the app, the price on ebay starts from $3).

Currently it supports FRM1 (Kline) and FRM3 (can bus) modules.

Example fault codes found in light control module:

9CBB short circuit fault 2

9CBC short circuit fault 1

Please note- no Wi-Fi support for ELM327 adapters, Bluetooth only.

App will ask for location permission, this needs to be done for Bluetooth communication between phone and elm327 dongle.