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2015 Fit MT6 P0563 B0 Code

Old 05-17-2019, 01:16 AM
Thread Starter
Join Date: Jan 2015
Location: Cameron Park
Posts: 30
2015 Fit MT6 P0563 B0 Code

My Fit started throwing a P0563 High System Voltage code today, the alarm went off overnight, and on shifts it starts blinking the Transmission Light and the Power Steering warning lights. Car drives normal overall no issues at all. But these codes are strange, has anyone seen this oddness before? I put in a new Honda battery a few months ago the correct one directly from the Honda dealer, that's the only somewhat recent change... otherwise bone stock. 40K miles.
Old 05-17-2019, 08:48 AM
5 Year Member
Join Date: Sep 2010
Location: milwaukee, wi
Posts: 551
I'm not a mechanic, but it sounds like a short or a bad ECM/PCM. Details here:

DTC Troubleshooting: P0563 (34-2) (5MT)
Old 05-17-2019, 09:13 AM
Thread Starter
Join Date: Jan 2015
Location: Cameron Park
Posts: 30
So I let the car dry out, there have been several rain events and everything went away no more issues. I am looking for loose cabling under the hood today. Thanks Bargain Guy for the Debug details.

Last edited by fxwebdesigner; 05-18-2019 at 10:30 AM.
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