Hybrid Technology Unique topics related to the 2004 -2009 RX400H model hybrid drivetrain and other features/options found only on the RX400H. Please use the main forum for discussion about shared components with other second generation RX models.

RX400h VSC light on after bleeding brakes. Tried jumping the OBD2 wires

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Old 07-04-24 | 11:52 PM
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dieharddiy's Avatar
dieharddiy
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Default RX400h VSC light on after bleeding brakes. Tried jumping the OBD2 wires

I bled the brakes on my RX400h manually by holding the brake pedal down and letting the actuator pump out the fluid. Now I got the VSC light, ABS light, and my regen braking doesn't work right. I read somewhere that jumping two pins on the OBD2 port and then puming the brake pedal 8 times in 5 seconds resets the brake system for the Highlander Hybrid. The link to this hack is here. I tried this many times and it doesn't seem to work. The display only briefly flashed "VSC DIAG OK" but went back to the error display "DIAG VSC 45". Any ideas other than going to the dealer?
Old 07-07-24 | 05:37 PM
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When i bled my brakes ( after replacing my rear flex lines) i used the tech software and i remember having to pull a couple of big fuses under the hood.
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