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10-10-2020, 06:58 PM
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#1
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Senior Member
Join Date: Oct 2013
Location: Houston
Posts: 1,374
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Replaced my VDC today and got a surprise
Last year I tried to do the VDC cold solder repair. It worked for a little while but then started failing again. I ordered a new one from Freightliner and installed it today. All is well so far. Something else happened when I installed it. The original owner replaced the ECM under warranty in year one or 2. As a result of that, the MH mileage was reset to zero. So the coach always showed the mileage to be approx 15K less than it actually has. The ECM was replaced at 15k. Well today when I installed the new VDU the mileage now reads the accurate mileage.  I'm actually happy about this but it's a little perplexing. Anyone understand how this happened?
__________________
2002 Newmar Kountry Star 3669
Freightliner 300HP Cummins
Towing 2014 Honda CRV EX-L & 2010 Tundra W/Remco DD
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10-10-2020, 09:03 PM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,449
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Did Freightliner ask you for a mileage when you ordered the VCU ?
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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10-10-2020, 09:45 PM
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#3
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Senior Member
Join Date: Oct 2013
Location: Houston
Posts: 1,374
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Quote:
Originally Posted by Skip426
Did Freightliner ask you for a mileage when you ordered the VCU ?
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No they did not.
__________________
2002 Newmar Kountry Star 3669
Freightliner 300HP Cummins
Towing 2014 Honda CRV EX-L & 2010 Tundra W/Remco DD
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10-12-2020, 01:25 AM
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#4
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Senior Member
Join Date: Jun 2016
Location: Nine Mile Falls WA / Arizona City AZ
Posts: 1,066
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Does the VDU just snap into the instrument panel, or is it held in with fasteners from the back side.... so the instrument panel has to be removed from the dash assembly to remove the VDU?
Did I say that right.....
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Retired Business Owner, Re-manufacturing HD Clutches, Brake Shoes, Air Compressors, Sales & Installation of PacBrake and other Industrial Friction
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10-12-2020, 08:27 AM
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#5
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Senior Member
Join Date: Oct 2013
Location: Houston
Posts: 1,374
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Quote:
Originally Posted by jelag
Does the VDU just snap into the instrument panel, or is it held in with fasteners from the back side.... so the instrument panel has to be removed from the dash assembly to remove the VDU?
Did I say that right.....
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Most are mounted in the engine compartment area. On mine I was fortunate and it's mounted in a electrical storage bin so easily accessible.
__________________
2002 Newmar Kountry Star 3669
Freightliner 300HP Cummins
Towing 2014 Honda CRV EX-L & 2010 Tundra W/Remco DD
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10-18-2020, 06:41 PM
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#6
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Jan 2019
Location: Wadsworth, Ohio
Posts: 379
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Quote:
Originally Posted by noserider
Last year I tried to do the VDC cold solder repair. It worked for a little while but then started failing again. I ordered a new one from Freightliner and installed it today. All is well so far. Something else happened when I installed it. The original owner replaced the ECM under warranty in year one or 2. As a result of that, the MH mileage was reset to zero. So the coach always showed the mileage to be approx 15K less than it actually has. The ECM was replaced at 15k. Well today when I installed the new VDU the mileage now reads the accurate mileage. I'm actually happy about this but it's a little perplexing. Anyone understand how this happened? |
If you don’t mind why did you have to replace it? Thank you
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Barney & Penny with our two puppies Lucy & Dixie
2008 Fleetwood Discovery
2020 Jeep Cherokee Trailhawk
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10-18-2020, 06:49 PM
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#7
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Senior Member
Join Date: Oct 2013
Location: Houston
Posts: 1,374
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Quote:
Originally Posted by Barneyb
If you don’t mind why did you have to replace it? Thank you
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Getting low air alerts with associated buzzer, lights and gauge going to zero. Alerts were erroneous. Systems were functioning normal.
__________________
2002 Newmar Kountry Star 3669
Freightliner 300HP Cummins
Towing 2014 Honda CRV EX-L & 2010 Tundra W/Remco DD
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10-22-2020, 12:24 AM
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#8
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Senior Member
Join Date: Mar 2012
Location: NW OREGON
Posts: 537
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VDC/VDU ? Haven't seen that acronym before.
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Ron in NW Oregon
2017 Ventana 3436
2021 Chevrolet Spark LT
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11-05-2020, 07:41 PM
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#9
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Junior Member
Tiffin Owners Club LA Gulf Coast Campers
Join Date: Oct 2020
Location: Plaquemine, La
Posts: 27
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VDU replacement
Quote:
Originally Posted by capnqball
VDC/VDU ? Haven't seen that acronym before.
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I have not heard of these components either. Can anyone please spell this out.
__________________
2010 40’ Tiffin Phaeton QTH
Freightliner chassis 360 hp l6 Cummins diesel
2014 Buick Enclave
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11-06-2020, 07:41 AM
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#10
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Senior Member
Newmar Owners Club
Join Date: Dec 2011
Posts: 724
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Quote:
Originally Posted by Poppie1957
I have not heard of these components either. Can anyone please spell this out.
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Vehicle data unit
__________________
2002 KSDP 3669/Freightliner XC CHASSIS/Cummins 5.9 ISB 300hp
Joplin, MO
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11-09-2020, 10:13 AM
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#11
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Junior Member
Tiffin Owners Club LA Gulf Coast Campers
Join Date: Oct 2020
Location: Plaquemine, La
Posts: 27
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VCU
Thanks
__________________
2010 40’ Tiffin Phaeton QTH
Freightliner chassis 360 hp l6 Cummins diesel
2014 Buick Enclave
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11-09-2020, 10:14 AM
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#12
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Junior Member
Tiffin Owners Club LA Gulf Coast Campers
Join Date: Oct 2020
Location: Plaquemine, La
Posts: 27
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VDU
__________________
2010 40’ Tiffin Phaeton QTH
Freightliner chassis 360 hp l6 Cummins diesel
2014 Buick Enclave
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10-07-2021, 07:12 AM
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#13
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Senior Member
Join Date: Sep 2020
Posts: 1,475
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You sure your display doesnt have some burned out pixels and it just rolled over onto something that you can "See"?
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10-07-2021, 10:22 PM
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#14
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Senior Member
Join Date: Oct 2013
Location: Houston
Posts: 1,374
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Quote:
Originally Posted by bpu699
You sure your display doesnt have some burned out pixels and it just rolled over onto something that you can "See"?
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Yep. These are analog gauges. Everything now works like it's supposed to. 
__________________
2002 Newmar Kountry Star 3669
Freightliner 300HP Cummins
Towing 2014 Honda CRV EX-L & 2010 Tundra W/Remco DD
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Linear Mode
