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2005 Saturn ION
Problem for Saturn 2005 ION

What does an error code u2100 mean




By tommysmom226 on Oct 19, 2009

" "
what does an error code u2100 mean
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Solution #1

posted on Oct 19, 2009
Not Rated)

cgeist1
cgeist1

Rank: Guru  Saturn Cars  Expert
Rating: 93%, 150 votes
well a U code like U2100 is a communication error,meaning there is a bad computer in the car or a wires issue,one of the other computer in the car can not talk to the other so its send a loss of communication code as you got,,,,i would highly rec you go to the dealer for this concern
Comments:

Oct 19, 2009

- well a U code like U2100 is a communication error,meaning there is a bad computer in the car or a wires issue,one of the other computer in the car can not talk to the other so its send a loss of communication code as you got,,,,i would highly rec you go to the dealer for this concern
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