Range Shift Inhibited Allison

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Range Shift Inhibited Allison

Today My son got in our 2004, 2500HD with Allison Trans. and pulled out of the garage and then the truck stopped showing” Range Shift …
The truck seems like it is in neutral and Range Shift Inhibited shows up. This only … Best to buy from an Allison dealer or NAPA. GM sells it for …
I got the famous Range Shift Inhibited with blinking indicator and truck will only move on flat ground in Low range for 6 seconds at a time.
Serviced my allison the other day with transynd and external filter. … change I am having issues getting it in Reverse and range shift inhibited.
When the TCM inhibits the transmission operation, you may notice the PRNDL display flashing on and off or display Gear Inhibited or Shift Inhibited. These conditions can cause the TCM to inhibit transmission operation. High engine RPM on engagement — Check engine RPM while shifting into gear.

Yesterday I got this on notice on my truck. No check engine light on just Range Shifted Inhibited. I can shift From P R N. When I shift into D …
How it works
04 2500 HD Duramax with automatic Allison gear …. recently the truck … shift into drive at times
What causes range shift inhibited. I’ll update more after i go to Allison. The automatic transmission may have a hard time maintaining the right gear, failing to …
with Allison® LCT1000 Automatic Transmission (RPO M74) and … of the drive positions, the range selected portion of the PNP switch portion …
I have a 2004 Workhorse 8.1 with Allison 1000, mileage 13000. Changed to Transynd last year and put on 1500 trouble free miles. During that …
2500HD Range Shift Infibited issue
Recently our driver tried to do a restart and the “range inhibited” light … The shift lever would go into gear but no action from the trans what so ever. … If you know someone with Allison DOC software it makes diagnosis a lot …
Went to leave work yesterday to come home and finish wheat harvest. Backed up and put truck in drive and it dinged at me and had the code …
It also comes up and says range shift inhibited. … trucks equipped with the Allison LCT1000 transmission may experience a condition in which …

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