RV Trip Planning Discussions

Go Back   iRV2 Forums > POWER TRAIN GARAGE FORUMS > Allison Transmission Forum
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Thread Tools Search this Thread Display Modes
Old 05-03-2014, 07:53 AM   #1
Junior Member
ultraevo's Avatar
Join Date: Dec 2010
Posts: 20
2001 Holiday Rambler Imperial Allison transmisson code

Getting our motor home ready for camping, I has been in storage since Dec., Allison transmisson is giving me a code of
o,L - 9,5. Looking in the manual it is a oil level sensor failed, any information about this would be greatly appreciated.


01 40' Holiday Rambler Imperial
350HP Cummins / Allison Transmission
2011 Ford Escape / 98 Ultra Classic
ultraevo is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 05-03-2014, 02:55 PM   #2
Senior Member
Skip426's Avatar

Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 19,243
That's what I read in my code book too; level sensor failure ; you could try pulling the main trans wiring connector apart and reseating it , disconnect the chassis batteries, 5 mins, and then restart, to see if the code is still there.
I don't think the level sensor is a DIY item.

99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
Skip426 is offline   Reply With Quote
Old 05-04-2014, 01:49 AM   #3
Senior Member
Elictrix's Avatar
Join Date: May 2014
Posts: 120
The oil level sensor is inside the transmission.
As advised it is not a DIY item. You can try disconnecting and reconnecting connectors, you may be lucky.
The code will self clear once the ECU receives a valid signal from the oil level sensor.
Disconnecting the batteries will not fix this code.

What codes do you have in the main diagnostic memory?
You should have a 1412 or 1423 code.
Do you have any others?
Elictrix is offline   Reply With Quote
Old 05-04-2014, 07:12 AM   #4
Junior Member
ultraevo's Avatar
Join Date: Dec 2010
Posts: 20
Thanks for the info, I think I will look for a place that repairs Allison transmissions.
We still have a drive train warranty on the unit, hopefully it is not a major job.
01 40' Holiday Rambler Imperial
350HP Cummins / Allison Transmission
2011 Ford Escape / 98 Ultra Classic
ultraevo is offline   Reply With Quote

allison, holiday rambler

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Dash lights not working on 2001 40 Ft. Holiday Rambler allatoona Monaco Owner's Forum 11 09-26-2016 06:34 PM
What year model on early Holiday Rambler truck camper? desertraven Truck Camper Discussion 3 06-26-2014 10:46 PM
Holiday Rambler Roof Super14j Class A Motorhome Discussions 4 04-14-2014 07:44 AM
2008 Holiday Rambler Imperial Trinidad IV Advice skatz260 Class A Motorhome Discussions 1 03-19-2014 03:38 PM
Parts for Ramco mirror on 2005 Holiday Rambler Ambassador PDQ40 philliphayes MH-General Discussions & Problems 2 01-16-2014 04:43 PM

» Featured Campgrounds

Reviews provided by

All times are GMT -6. The time now is 02:55 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2020, vBulletin Solutions, Inc.