Hey Guys, I am new to this site. While riding I got a check engine light, which after diagnosing showed to be a P0572 code. That is how and when I noticed that my brake lamp is stuck on. After clearing the code, the brake lamp returned to normal only for a few minutes. Visually checked the bulb, all looks ok, but is stuck on. Any ideas?
2009 Ultra Brake Lamp Issue
- Thread starter AJ1955
- Start date
D
dbmg
Guest
Any warrty left on bike??? Sounds like one of the 2 switches are sticking. Any mods like chrome switches on bar or chrome rear master cylinder????
Hope these help. Click on links: P0572-Brake Switch Low Code - Harley Davidson Community
DTC Codes - Harley Davidson Community
Hope these help. Click on links: P0572-Brake Switch Low Code - Harley Davidson Community
DTC Codes - Harley Davidson Community
Thanks for the responses. No mods, strictly stock with 11.5K miles. I'm thinking faulty switch. After tracing all lines and checking connectivity, bike starts up and works fine. 3 or 4 minutes into ride, brake light begins sticking on. After cooling, works fine until heating up.
Of course warranty has ran out.
Of course warranty has ran out.
Hoople
Account Removed
Check continuity on the rear hydraulic switch. There is a good chance you will measure several K-ohms of resistance when you should measure infinity. When brake fluid enters the electrical portion of the switch, problems begin. With you meter hooked up, tap the rear peddle a few times (also press hard). Use your 200K ohm scale. Bet you see that it does not toggle to infinity.
Few months back there were threads with the same problem & pictures as yours.
Few months back there were threads with the same problem & pictures as yours.