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03-08-2021, 11:21 PM
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#1
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Junior Member
Country Coach Owners Club
Join Date: Dec 2020
Posts: 3
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Digital Dashboard Malfunction
I have a new 2021 Allegro Red 33aa with digital dashboard. After driving about 2 hours at 70 MPH, the cruise control drops out and will not re-engage. After about another 10 minutes of driving, the check engine light comes on and ABS COMM FAIL displays. After another 10 minutes the dashboard goes “haywire.” The tach, speedometer, DEF gauge, temperature gauge, and oil pressure gauge all go to zero. Finally, a LOW VOLTAGE error appears (the spyder control reports normal voltage).
It’s been in the Freightliner shop 4 times for a total of 47 days. Each time I take it in they return it, but the malfunction repeats again after 2 hours of driving at 70 MPH.
Freightliner thinks it’s something to do with J1939 network or module. But they can’t find anything.
I’m close to hiring a consumer attorney to file suit to get Freightliner’s attention.
Any suggestions or thoughts?
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2021 Allegro Red 33aa
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03-09-2021, 11:51 AM
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#2
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Senior Member
Join Date: Jul 2009
Posts: 1,979
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Have you contacted Tiffin concerning your issue?
__________________
ernieh
2019 Phaeton 37BH
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03-09-2021, 01:03 PM
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#3
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Junior Member
Country Coach Owners Club
Join Date: Dec 2020
Posts: 3
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Oh yes. Both Tiffin and Freightliner are well aware of the problem.
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03-09-2021, 02:46 PM
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#4
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Senior Member
Join Date: Jul 2009
Posts: 1,979
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I personally would do everything I could to keep TMH on the case and forget about "lawyering up". I think that you will be much happier with the results. If you are a reasonable person, TMH WILL take care of you.
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ernieh
2019 Phaeton 37BH
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03-09-2021, 03:44 PM
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#5
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Apr 2012
Location: Southern NM
Posts: 3,384
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How close are you to RB? A personal call to Bob Tiffin might be in order soon.
__________________
2018 Allegro Bus 37AP
2014 Phaeton 40 QBH (sold)
2022 Jeep JLURD
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03-10-2021, 08:24 AM
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#6
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Senior Member
Join Date: Jan 2012
Location: Taft, TN 38488
Posts: 592
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I would get it to the "Motherland" in Red Bay.
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03-10-2021, 09:55 AM
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#7
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Senior Member
Join Date: Jul 2009
Posts: 1,979
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Quote:
Originally Posted by Tom222
I would get it to the "Motherland" in Red Bay.
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X2. Bay Diesel is an authorized FL shop. I would call ahead and let them work it out between FL and TMH. No FL service center anywhere knows more about Tiffin coaches on FL chassis. Also, your coach will be accessible while you are there unlike most places where it disappears while they are working on it.
__________________
ernieh
2019 Phaeton 37BH
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03-10-2021, 10:18 PM
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#8
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Junior Member
Country Coach Owners Club
Join Date: Dec 2020
Posts: 3
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Freightliner replaced Viper module which is the computer that runs dashboard display. I will test drive tomorrow to see if this solved the problem. I will post results after test drive.
__________________
Peter & Rhonda
2021 Allegro Red 33aa
2021 Jeep Rubicon
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04-04-2021, 08:24 AM
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#9
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Senior Member
Tiffin Owners Club
Join Date: May 2018
Location: Third rock from the Sun
Posts: 564
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On my 2014, one of the units went out. Ordered a new one from Tiffin. Worked just fine and it did not get near as hot. I did not have to replace any of the far end units next to the tv’s. Jeff
__________________
2021 Tiffin Allegro Bus 45OPP
2014 Tiffin Allegro Bus 40SP, 450HP
2015 Jeep GC, Air Force 1, Roadmaster Nighthawk
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