manueltiger9
Electronic Parking Brake Failure
Summary of the thread
The electronic parking brake on a 2022 Lexus RC hybrid is not engaging, with a fault stored in memory and a warning light on. The issue is likely not a fuse but could be related to the electric motor within the brake caliper, a common problem. An OBD II scanner can be used to read the error code, but professional diagnostics are recommended. The problem was confirmed to be a faulty electric motor in the brake caliper, which was repaired at a cost.
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4 comment(s)
manueltiger9 (community.author)
No recent brake work, and no strange noises. Any idea how I can read the error code myself? Or do I need a special tool?
detlefraven1
You'll need an OBD II scanner to read the error code. Many auto parts stores will scan it for free, or you can buy your own. However, based on your description, especially the lack of function and stored error, it's likely the electric motor within the brake caliper is defective. This is a fairly common problem. I recommend professional brake diagnostics.
manueltiger9 (community.author)
Thanks for the advice. I took it to a workshop and they confirmed it. The electric motor in the brake caliper was indeed faulty. Repair cost me 505€.
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LEXUS
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RC
detlefraven1
Sounds like a potential issue with the EPB system itself. Have you had any brake work done recently, or noticed any unusual noises coming from the rear brakes? The error code might give you a more specific indication.