did anybody find out the problem with the O/D OFF light flashing on the dash. Mine does the same,,but when it kicks off my truck shifts alot harder. I shut the truck off and restart it and its good,,,maybe for a day,,maybe for 2 minutes. someone had mentioned a speed sensor,,,where is that and how hard is it to change. thanks for any replies.

 

take it to a trans shop and get the code pulled

 

is that something my obd2 will pick up

 

no it needs to be a scanner that has the capability to read tranny codes

 

thanks

 

be prepared to spend anyware from 900-2500$

 

oh boy,,,lol no trucks not worth that..take it in the bush,,,beat on it till it breaks and scrap it lol

 

Almost sounds like the torque converter lockup isn't releasing. That would explain the hard shifting.

 

How many miles does your truck have? What type of truck do you have (4x2, 4x4) and what year is it? I just dealt with something similar. My torque converter clutch and solenoid both failed. Replacement of both items ran me in the neighborhood $450, with fluids, gaskets and other accessories costing an additional $150 or so. Mind you, I pulled the transmission myself.

 

it a 98 mazda B4000 4X4 with 273,000 klm,,,about 170,000 miles. run great and it only shifts hard when the light is flashing.

 

When the light flashes it normally means the trans is slipping.

You should feel lucky with 170k, I blew up reverse at 108.

 

got 120k out of mine

 

5r55e? See if you can get a code pulled. If it comes up P0741, then you're looking at either a failing torque converter clutch or a failed solenoid; or faulty wiring. What does your trans fluid look like and smell like?