Q: transmission wont shift out of low gear and light is on on 2002 Jeep Grand Cherokee

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The transmission light is on and the car wont shift out of low gear. It goes in reverse and the four wheel drive works. Sometimes it stops working as if the fluid is low but it is not.After applying the brake and slow down it goes back into low gear. Trans fluid is not burnt or brown it is red.
(1) Answer
Your next step will be to get the diagnostic codes read out from the transmission and then follow the appropriate diagnostic procedure associated with codes. Do you have access to a scan tool to read out the codes?