Is there a reverse button on an Allison?

Put the selector back in D and forward gears worked fine…still, no reverse. Shut the truck off and restarted, no change. So, I decided to just shut it off while I went inside to get my business taken care of.

Why does my Allison 5 speed have no reverse?

Try taking video with a camera/camera phone and show the video to the dealer to avoid the can not duplicate problem issue. Friday a 2002 d/a shows up at the shop with no reverse and a tcc code. Sorry, I wrote the code down and left it at the shop.

How many gears does an Allison truck have?

He works for a Detroit diesel/ Allison trans dealership and says GM dealers normally dont have an expert on hand check with a big truck dealer in your area. ….little known allison fact…some models come with 6 gears but the computer is programed to only use 5….hope some of this rambling helps ….Lorne

What to do if your truck doesn’t reverse?

When I got to the warehouse location, I tried to turn around in the parking lot and had no reverse whatsoever. The instrument panel indicator simply blinked the R continuously. Put the selector back in D and forward gears worked fine…still, no reverse. Shut the truck off and restarted, no change.

What kind of truck cannot go into reverse?

I started my truck up this morning, 2002 silverado cc lb, warmed it up, put it in reverse, but it would not get into gear. I noticed that when in “R” it was blinking.

Is there a reverse button on an Allison?