mburko Posted January 24, 2016 Share Posted January 24, 2016 I use a generic ELM327 v1.5 to read DTC codes from my 2003 Outback. Old Xoom tablet running Android 4.1.2 worked flawlessly. New phone running Android 5.1.1 would not stay connected. Fix is to set Protocol to ISO 9141-2. Using ScanMaster Lite v2.4. Protocol is set by starting the App. Tap the yellow engine logo in top left corner. Select Settings from pull down menu. Tap Communication->Protocol. Change from Automatic to ISO 9141-2 for the 2003 Outback 2.5l 4 cylinder. Back out to the main menu and connect to the vehicle. If that don't work, I'm out of helpfulness. I found the correct protocol to use at http://www.alpha-bid.com/media/Shared-Pics/OBD2_protocols.pdf Good luck to you, Mitch 1 Quote Link to comment Share on other sites More sharing options...
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