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MarkPrintz · 11-18-2019, 09:17 PM

Driving home thru NC mountains. 40 degree's and raining. cleared top mountain.
got warning horn, red DEF light. lost air pressure gauges, oil press. Pulled off next exit down hill. Added Def spare jug. Checked oil level, normal. called Freightliner. said most likely dirty plug by transmission passenger side. If levels OK, can drive to service center. Started to drive. Derated to 5 MPH. pulled over. Found connector. wet and dirty. didn't have contact cleaner. tried hair dryer to dry.no help. free AAA towing so went to service center. Spent night, arrived 2330. next day after 10am and sun all normal. Still had to have axle reinstalled with new paper gasket. $3.00. Tech reset codes. NTF. Now have a spare gasket in case of tow. Plug iced up due to rain plus temp and wind chill. next time will wait till sun warms up and see if corrected. Just a FYI in case this happens to some one else. Happy travels. New Class A owner. 2 months, 8K miles, 22 states. [Mod edit]

Gormleys · 11-19-2019, 07:42 AM

Mark -

Welcome to the Forum! Thanks for your detailed description of your problem and your resolution. If you get a chance, update your signature with your motorhome type and age. That helps us relate better.

Good luck in your travels and be safe!

momdoc · 11-19-2019, 10:47 AM

Welcome to the forum and thanks for the information.

Good luck and continue to enjoy the adventure.

MSHappyCampers · 11-19-2019, 11:24 AM

Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Congrats on the new rig! Thanks for the heads-up! Have fun and keep her between the ditches!

Good luck, happy trails, and God bless!

**Lt Dan** · 11-19-2019, 11:40 AM

You said you added a spare jug of DEF. Were you actually low on DEF or did you just get a false reading due to the bad connection?

MarkPrintz · 11-19-2019, 04:59 PM

It was a false reading. after a few more minutes of the junction plug freezing, I got a "No J1939 Data" message. If i had not been derated, I would have drove to a place to pull over and stop for the night. When the sun came up the next morning by 10 am the ice had melted and all readings and warnings normal. If i had a spare axle paper gasket, $3.00, i would have installed axle and drove off. I now carry spare a spare axle gasket. The same things happen in airplanes when moisture gets inside an electrical connector.