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Author Topic: Allison dash warning light  (Read 182 times)

YooperRon

  • Posts: 2
Allison dash warning light
« on: September 20, 2017, 08:11:37 PM »
2006 Holiday Rambler, 8.1 gas, Allison tranny (not sure of tranny model). Today a red light came on my dash.  Looked it up in the handy dandy owners manual. Says transmission failure indicator light.  All appears fine, tranny shifts fine, oil is fine, both color and smell. Am I just getting a faulty sensor reading?

Arch Hoagland

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  • Posts: 1478
  • Clovis CA
Re: Allison dash warning light
« Reply #1 on: September 21, 2017, 12:33:02 AM »
I suspect it is an Allison 1000 transmission.

How many miles are on it and have you ever had the transmission fluid changed?

Have you made any engine modifications to increase torque? 

2004 Monaco La Palma 36 DBD
W22, 8.1 gas,  Allison 1000 Transmission
7.1 MPG over 80,000 miles

2000 Lexus RX300, 4020lb
U.S. Gear Braking System

YooperRon

  • Posts: 2
Re: Allison dash warning light
« Reply #2 on: September 21, 2017, 06:33:18 AM »
50K Miles. Changed filter at 30K. Oil is clean and does not smell burnt. No modifications.

Gary RV_Wizard

  • Forum Staff
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  • Posts: 60726
  • RVer Emeritus
Re: Allison dash warning light
« Reply #3 on: September 21, 2017, 10:12:41 AM »
Since it still shifts ok, it's more likely an electronic problem of some sort. Loss of communication or maybe some sensor not reporting in. You will probably need an Allison tranny shop to troubleshoot it, though Chevy or GMC dealers can probably read the tranny diagnositc code for you.
Gary
--------------
Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

Arch Hoagland

  • ---
  • Posts: 1478
  • Clovis CA
Re: Allison dash warning light
« Reply #4 on: September 21, 2017, 11:30:09 AM »
I think Gary is right about going to an Allison dealer.

I don't recall seeing hardly any posts about a transmission failure light on the Allison 1000. Pretty rare.
2004 Monaco La Palma 36 DBD
W22, 8.1 gas,  Allison 1000 Transmission
7.1 MPG over 80,000 miles

2000 Lexus RX300, 4020lb
U.S. Gear Braking System

 

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