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Free J1939 App


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I was in the Android Play store over the weekend and noticed a suggested app--Cummins Fault Advisor. It's free, and allows you read various codes with more details than you get through the driver information center. Sounds like it will work on non-Cummins engines, but I don't have one to try.




You need an adapter cable to physically plug in (http://www.ebay.com/sch/i.html?_odkw=j1939+adapter+cable&LH_PrefLoc=1&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.Xj1939+obd2+cable.TRS0&_nkw=j1939+obd2+cable&_sacat=0), then you can use one of the ELM327 Bluetooth adapters you can get for under $20 (e.g. http://amzn.to/2cyqogd ).

I keep one of those adapters in the cars as part of my most basic toolkit (well, except for my SHO, where I can read codes with a paperclip). It's more powerful than the specialized tools from not that many years ago, and allows quicknow triage of a problem before deciding whether to call for a tow, head directly to a repair shop, or finish the trip first. With Torque (app), you can clear the code that can show up when you leave the gas cap loose.

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