Over drive switch bad?
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well I'm at a loss changed switch tried code reader not getting any codes for trans engine light is on but no codes my temp light is on but sensors are good there new what wires should i look into trans switches gear great 1st 2nd 3rd and rpms at 2900 doing 90 k an hr fluid is full fresh oil filter and all not sure where els to look
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odb2 scanner not sure of make was a freinds I swapped my trans the one I had before I had no first gear and no over drive so I swapped all the silanoids from what I was reading on forums didn't help and then my trans went into neutral had nothing so swapped trans with a fresh rebuild one drives and switches gears great just no over drive not sure if maybe there is a short in wire to pcm maybe but I would think a code reader would pick that up for engine codes my gen light is on as well but no codes for that I have a 02 sensor code that I reset and hasn't come on again but still engine light is on
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#8
Is the trans temperature light on as well as the overdrive light? If so, it sounds like you have later model electronics in that transmission. I had a similar issue right after installing my rebuilt transmission. After removing the battery cables for about 10 minutes to clear the codes, I drove the truck less than 10 minutes and the trans temp light would come on and then the overdrive light would come on right behind it locking out the overdrive. My transmission rebuilder installed later model year electronics causing the PCM to think that the transmission temperature was freezing/out of range in temperature. We drained the fluid, removed the valve body and installed the correct electronics needed for 96 - 97 46REs and all was fixed after that.
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Is the trans temperature light on as well as the overdrive light? If so, it sounds like you have later model electronics in that transmission. I had a similar issue right after installing my rebuilt transmission. After removing the battery cables for about 10 minutes to clear the codes, I drove the truck less than 10 minutes and the trans temp light would come on and then the overdrive light would come on right behind it locking out the overdrive. My transmission rebuilder installed later model year electronics causing the PCM to think that the transmission temperature was freezing/out of range in temperature. We drained the fluid, removed the valve body and installed the correct electronics needed for 96 - 97 46REs and all was fixed after that.
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