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RR wheel cylinder stays at 0.43

Discussion in 'Gen 2 Prius Main Forum' started by Jerry G., Aug 1, 2024 at 5:56 PM.

Jerry G. Junior Member

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Oct 6, 2014

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Keaau, Hawaii

Vehicle:

2011 Prius

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Two

Hi all, 05 Prius has abs/traction lights on. I tried doing a air bleed pattern procedure through Techstream but I get an error message ECU cannot perform test, and that goes for all test procedures.
I can see the voltage values change with the other wheels, but RR stays at 0.43v. At this point im thinking I should just change out the actuator??
Any thoughts would be greatly appreciated!!

#1 Jerry G., Aug 1, 2024 at 5:56 PM
ChapmanF Senior Member

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2010 Prius

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IV

I might consider sticking a voltmeter on that wire just to see if it agreed that was 0.43 V and not changing.

If it agreed, then I'd agree the actuator looks like the culprit. If the meter showed a different reading, showed it changing the way you'd expect, but the ECU kept saying it was stuck at 0.43 V, I'd lean more toward suspecting the ECU (or the wiring between).

#2 ChapmanF, Aug 1, 2024 at 7:52 PM

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