[Shop-talk] Electronic Parking Brakes

[Scott Hall]

Exactly this. If it's the sort that you actuate via a switch, you have to
disable it via software--or maybe hardware on some cars--before you retract
the pistons. I'm not sure about Hondas, it might just need to be reset like
the oil change interval.

Scott

On Tue, Aug 9, 2022, 6:54 PM Arvid Jedlicka <arvidj999 at gmail.com> wrote:

> I know that on my Golf you need to disable\retract the electronic parking
> brake via an app that plugs into the OBD connector before doing any work on
> the brakes. Failure to do so and just forcing the pistons back to install
> ne pads will damage the parking break mechanism.
>
> I suspect that may be what happened here.
>
> On Tue, Aug 9, 2022, 5:41 PM John T. Blair <jblair1948 at cox.net> wrote:
>
>>
>> Hey gang,
>>
>> My nephew came over last weekend to work on his 2019 Honda Civic.  He's
>> getting an "Electronic Parking Brake" error.
>>
>> I'd never head of such a thing, and electronic parking brake?
>>
>> I did a little research on youtube and found out what it is, and sure
>> enough
>> it IS and electronic parking brake!
>>
>> So I had some idea what to look for and at when he got here.
>>
>> He'd had someone replace his rear pads for him.  After that, he started
>> getting the error.   The fellow that did the job said, he didn't know
>> anything
>> about the electronic parking brakes.  So my thought was that he'd
>> disconnected the connector and hadn't put it back.
>>
>> Well we were lucky.  After we jacked it up and had it on stands, we pulled
>> the drivers side first and look at the connector.  It was
>> connected.  So I figured, maybe he hadn't do the manual reset of the
>> motor.  So I pulled the
>> motor and tried to manually turn the sprocket.  NO go.  After a little
>> more
>> diagnostics, listening to the motor on the passengers side and hearing the
>> motor turn when you set and released the brake, and listening to the
>> driver's
>> side motor and NOT hearing anything, we concluded it was bad.
>>
>> So I start looking for a replacement part.  No dealer appears to have any
>> as
>> they are on National Backorder with no expected delivery date.
>>
>> Unfortunately, the parking brake system is REQUIRED to hold the car for
>> State Inspection here in VA.  So my nephew can't get his car state
>> inspected.
>> So technically he shouldn't be driving the car.  But as everyone knows,
>> you
>> need a car to get to your job.
>>
>> So any one with a car with an electronic parking brake (EPB)be leary.  I'm
>> supprised at the cars that have the EPB system.  Most recient Hondas, BMW
>> Lincolns, etc.
>>
>> Looks to me like a case where the engineers got carried away with the idea
>> that electronics don't fail, but mechanical parts do!
>>
>> John
>>
>>
>>
>> John T. Blair  WA4OHZ     email:  jblair1948 at cox.net
>> Va. Beach, Va                  Phone:  (757) 495-8229
>>
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