o d light

[texas03042]

my o d not engaged light comes on even though the truck is in o d. if I put it in neutral and turn it off/on, the light goes out...for a while. why?
95 xlt 2.3 2wd

 

[Transman304]

Your vehicle is setting a trouble code for the transmission. You will need it scanned to tell you what code it is.