GlennWest Posted December 29, 2020 Report Share Posted December 29, 2020 (edited) Well it let me down. Ultrashift. Going to get it inspected today and coming out of town stuck in 8th gear. Went to turn around and that was it. No downshift. Disconnected batteries and waited. Hooked back up. Now have neutral so truck can crank up. But that all. Just busses error sound. Got wrecker coming. Was working fine until this happened. Any thoughts on what to check appreciated. Towing to my property so I can work on it. Edited December 29, 2020 by GlennWest Quote Link to post Share on other sites
Darryl&Rita Posted December 29, 2020 Report Share Posted December 29, 2020 Is there any error codes? Quote Link to post Share on other sites
GlennWest Posted December 29, 2020 Author Report Share Posted December 29, 2020 (edited) There was one but after battery disconnect not showing. My buttons don't show them Edited December 29, 2020 by GlennWest Quote Link to post Share on other sites
GlennWest Posted December 29, 2020 Author Report Share Posted December 29, 2020 (edited) We missed renewing our Coachnet somehow. This only costing 680.00 though. Edited December 30, 2020 by GlennWest Quote Link to post Share on other sites
GlennWest Posted December 29, 2020 Author Report Share Posted December 29, 2020 I may have a wire problem. It just quit when it done this. No shift and f flashing on display. Had to disconnect batteries to get neutral back. Now nothing but buzzer noise and neutral display when attempting to put in D. Quote Link to post Share on other sites
HERO Maker Posted December 29, 2020 Report Share Posted December 29, 2020 What was the last thing you had done to the truck? Start there and work backwards. Before disconnecting everything, try to tighten everything. Quote Link to post Share on other sites
DesertMiner Posted December 29, 2020 Report Share Posted December 29, 2020 Check the fuses at the battery. Quote Link to post Share on other sites
GlennWest Posted December 29, 2020 Author Report Share Posted December 29, 2020 Kk. Do that morrow. If fuse blown something causing it but that sounds very possible. I didn't know where fuses are. But I do have neutral. Display shows that too. Error noise when in drive. So I assume computer working. It on my property now. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Is it common to pull rear axle out when towed? Quote Link to post Share on other sites
Dutch_12078 Posted December 30, 2020 Report Share Posted December 30, 2020 18 minutes ago, GlennWest said: Is it common to pull rear axle out when towed? Yes... It's easier and safer than dropping the drive shaft. Did the tow operator cap the hubs? Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Yes. Sure did. I was very pleased with him. Had a Peterbilt Cummins 3 axle rig. Sweet. Quote Link to post Share on other sites
Chuck Posted December 30, 2020 Report Share Posted December 30, 2020 (edited) Can only to speak to similar symptoms regarding the Autoshift in my 2003 vnl. Lock up in gear. Reset and go down the road a ways. Lock up again. Least expensive was the wiring harness replacement. No change. Changed the xy shifter, problem solved.  Good luck. Edited December 30, 2020 by Chuck Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 (edited) Mine was worked fine ever since I got it. If the xy shifter worn out I should have been getting issues. This was instant failure with no poir issues. Only issue I have ever had is it holds the first gear, second, longer than it should sometimes. Not terribly though. Also when I bought it they commented they had to replace shifter. It was thousands of dollars also. So that sounds like it is new. Edited December 30, 2020 by GlennWest Quote Link to post Share on other sites
Parrformance Posted December 30, 2020 Report Share Posted December 30, 2020 Please take a moment to check voltage to the ECU of the transmission. Be sure that 12 volts is present, and that the ground is clean and secure. With the Volvo, the lack of good ground at the battery from the transmission computer caused a similar condition for me. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Thanks. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 16 hours ago, HERO Maker said: What was the last thing you had done to the truck? Start there and work backwards. Before disconnecting everything, try to tighten everything. Last thing I did was new batteries. Cleaned everything up good, put star washers on connections to get good bite. That first place I went. There is a fuse in there though I didn't check. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 This might be related or not. My truck now cranks right up. There idle goes to 1k rpm. Then returns to normal. Does this every time I crank it up since transmission problem. Didn't do this before. Â Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Found the circuit. 30 amp fuse blown at batteries. Had to go to camper for fuses. Need to put some in truck also. But headed back to see what happens. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Ok. Short. Pops burns fuse when inserted🤪 Quote Link to post Share on other sites
rickeieio Posted December 30, 2020 Report Share Posted December 30, 2020 Pinched wire when installing batteries? Nah, only old farmers do that....... Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 (edited) That circuit goes to rear axle area. Don't think that is it. It goes to back of truck. Likely my battery charging wire. Fix that later. So still at zero Edited December 30, 2020 by GlennWest Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 Appears I will have to have help with this. But right now with being out of work so long no funds for this. Quote Link to post Share on other sites
GlennWest Posted December 30, 2020 Author Report Share Posted December 30, 2020 (edited) I was looking at some youtube videos and it seems easiest way for is remove XY shifter and just replace the sensors. I have no idea how to diagnose them. Seems they not very expensive. That service door should be right over it. Or can anyone tell how to find codes? all i have is an f on display. I just goggled this and found a ranger article and it stated all trucks you can turn key on and off 2 times and get codes. Try that tomorrow. 'Got feeling it speed sensor. Edited December 30, 2020 by GlennWest Quote Link to post Share on other sites
SuiteSuccess Posted December 31, 2020 Report Share Posted December 31, 2020 (edited) Glenn, Mine did something similar but it showed this.  BTW if you replace sensors they have plastic bodies,  are brittle, and break easily so a 15 minute job can become 9 hours.  GeorgiaHybrid and I know from experience.  I have Ultrashift. Edited December 31, 2020 by SuiteSuccess Quote Link to post Share on other sites
GlennWest Posted December 31, 2020 Author Report Share Posted December 31, 2020 24 minutes ago, SuiteSuccess said: Glenn, Mine did something similar but it showed this.  BTW if you replace sensors they have plastic bodies,  are brittle, and break easily so a 15 minute job can become 9 hours.  GeorgiaHybrid and I know from experience.  I have Ultrashift. Do you think it would be easier just to remove XY shifter since they are connected to it. It is going to be a mirror job if i try to do in truck Quote Link to post Share on other sites
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.