MCU - Multiplex Control Unit, 01 Civic EX -

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Old 09-22-2010, 11:10 PM
Junior Member
Join Date: Sep 2010
Posts: 5
Default MCU - Multiplex Control Unit, 01 Civic EX

I have an 01 Civic EX - same problem as other posts happened Today ironically, Dome light does not light while door is Open, Power locks don't respond to remote or door switch, A/C does not cool, and Brake light stays lit on dash.....

All forums/threads point to MCU under steering column,
Honda Part**** 38200-S5A-A31, about $150 bucks online from Honda parts now. Will let you know what happens when I replace it.

Honda Part**** 38200-S5A-A31, Fuse Assy.
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Old 10-02-2010, 01:08 PM
Junior Member
Join Date: Sep 2010
Posts: 5
Default Everything fixed!

Replaced MCU and all issues were fixed simultaneously..... now to figure out the pesky cruise control glitch.
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