How to use Mini ELM327 V1.5 Read and clear Mercedes W221 DTC fault codes

Hi to all! I wrote this blog simply because I recently tested this Mini ELM327 V1.5 OBD2 Bluetooth diagnostic scanner OK to read and clear DTC fault codes for my Mercedes w221! Below I will show you how I did that.

Two things you first know:

  1. This Mini ELM327 V1.5 is a 16 pin OBD2 connector. So I plugged it into my car’s OBD2 port then turn ignition on.

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  1. It is compatible with Torque Pro. So I downloaded the app before use it.
  1. Now I will show you how I read& clear W221 fault codes.

First, I go to Setting then click Bluetooth, search and find ELM327 Bluetooth named “OBDII”. It asks me to enter pairing password and says I can try 0000 or 1234. I input 1234 and pairing successful.

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  1. Now I open Torque Pro. It asks me to enable GPS but I choose no. Whatever…

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I click Fault Codes icon and this Super Mini ELM327 start to read DTC codes automatically.

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Soon I get 3 fault codes as follows: P0303, P0302 and P0300

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It tells me to press Menu icon on top right corner. I click Clear Faults on ECU and it starts to clear all fault codes for my w221.

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All fault codes are cleared fast!

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And to check if it really clear all codes I back to main menu and choose to hit Adapter Status icon.

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It shows me 0 errors, 0 other faults that means I successfully use this ELM327 V1.5 Bluetooth scanner to read then clear all my w221 DTC codes!

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By the way, I bought this $8 little plug-in scanner just for fun but I must say is worth every penny! I haven’t tested it on other cars, but at least my w221 bimmer works well!

If you need more info, this is the link I bought from:

http://www.worldobd2.com/wholesale/v15-mini-elm327-elm-327-obd2-bluetooth-interface-auto-obdii-diagnostic-scanner.html

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