PLEASE HELP... DTC Codes

A

Arctic Blue

New member
C2101, C2103 & U1412

In December got 2 codes....C2101 and C2103.
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Dealer replaced brake switch. Didnt fix it. Dealer replaced wireless control module. No issues for weeks. Installed ESP kill switch. Three weeks later same thing. Dealer refused to fix. Then no issues for weeks (this is when warranty expired).

Last week has the C2101 and C2103 codes pop up.

Today I had code U1412 pop up (implausible vehicle speed).

I need help in figuring out what and how to fix/replace to solve this issue. Please help.

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What do you mean a loose plate? Also, yes... I had the battery and alternator tested. Here are the results.
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Could it be a wheel sensor somehow?

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A year ish ago I had the dealer replace bearings and seals in the left rear....could the bearings be going bad and throwing the lights?

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