It means there's either a transmission sensor that's giving bad readings OR there's a sensor giving proper readings and the readings it's giving indicate an operational problem in the transmission. Either way it's not something to ignore. Get it to a shop with the proper diagnostic equipment to track down the problem or your transmission may not be long for this world.

It means there is something wrong!!!!!

VAGUE QUESTIONS CAN RECEIVE VAGUE ANSWERS.

what kind of vehicle is it? what were the conditions when this occurred? what seems to NOT be functioning correctly?

THESE QUESTIONS ARE MILDLY IMPORTANT IF ONE EXPECTS A MORE ACCURATE ANSWER!!

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