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Check engine light code U1 1 B800

Torero

Well-Known Member
First Name
J. Diego
Joined
Apr 21, 2018
Threads
24
Messages
831
Reaction score
817
Location
Illinois
Vehicle(s)
JL Rubicon, FJ Cruiser, BMW Z3, F650,GL63 AMG, STI
I just pick up my Jeep from the dealer where they performed the clutch recall. When I started the Jeep the Ck engine light was on. It has never been on before. Walked back and they say that my ECU was not original, therefore they couldn’t clear the code. They were closing so they told me to come back on Monday for them to explain.
My ECU is as original as it comes. It had been re-programmed before when I attempted to have a supercharger installed and then set back to the original program. The check engine light was never on.
I read the code when I got home, but it won’t clear. Description says lost communication with Radio Integrated Center Stack. Everything seems to work normally. :angry:
Any advise will be appreciated
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