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Golfer Guy  
#1 Posted : Sunday, July 28, 2019 2:58:50 PM(UTC)
Golfer Guy

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I have a 2017 Dutchstar with a Spartan Chassis and Allison transmission. Having trouble getting any data from the transmission on my Dash.

I pulled the adapter and can not tell which one it is (9 Pin green no markings) the previous owner used Mac, I use Windows 10 Surface and an Amazon fire tablet. Is there a specific adapter that I should have? Could it be this Mac adapter is not compatible with my Windows 10 or Amazon Fire tablet? I have updated to the 3.9 software version and no change.

If I have the correct adapter does anyone have any idea why I'm not getting transmission data?



2017 Newmar Dutchstar 4369
2000 W Solar, 1200AH Lithium batteries
2019 Jeep Rubicon, Roadmaster, AFI
#2 Posted : Sunday, July 28, 2019 5:12:32 PM(UTC)

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The transmission is sending data thru the J1708 protocol. Which probably is on the black 9 pin connector only. Make sure that the Connect to a J1708 Data Bus box is checked on the Settings.
#3 Posted : Wednesday, March 18, 2020 5:21:06 AM(UTC)

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ok noted
#4 Posted : Wednesday, March 18, 2020 7:48:52 AM(UTC)

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Somehow I missed this post, my apologies. Ahamor is probably right although it would be disappointing to see a J1708 transmission on a 2017 vehicle. But if it works, it works... There is also the possibility that the OEM did not wire the transmission data bus into the diagnostic connector but that's rare.

The 9-pin adapters support both J1939 and J1708 but there will be only 6 pins - power, ground, CAN High(J1939+), CAN Low(J1939-), J1708+, J1708-. If you search for J1939 connectors you can see the actual pin-outs. Check your diagnostic adapter for these same pins.

Check out the Getting Started document for the section on J1708. It is a finicky data bus and in some cases can cause issues.
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