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2013 Duramax Allisons Shift patterns in Tow Mode
Yes I assumed it was downshift from 6 to 5. Though I've seen postings that state when in Tow Mode transmission doesn't go into 6th gear. I looked for any TSB's for the 2013 year and didn't see any. I see a lot of folks had reflashing done for earlier models.- LizzieCBK15
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- Forum: Mike L's Trans Talk
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2013 Duramax Allisons Shift patterns in Tow Mode
We recently purchased this 2013 Duramax CC/LB DRW to replace our 2001 Chevy 8.1 with Allisons. We towed our trailer (5th wheel weighing 14,000# verified) this past week through Mountains in PA on Turnpike and Rt 79 from RT 70 in MD. Everything was great. Better towing than the 2001. Same...- LizzieCBK15
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- Replies: 7
- Forum: Mike L's Trans Talk