Glad I found your post again, today I had same problem. About two months ago I replaced both parking brakes calipers. In the meantime I spotted problem with battery and today brake malfunction both of them. My first feeling was OMG new parts and already broken can't believe until I've done scan. Scan showed this same problem" Left and right brake motor voltage supply - Electrical malfunction in circuit. Have you had similar problem, do you think that my poor battery condition can cause this problem with the parking brakes when engine is off. I will appreciate for your answer
Quote:
Originally Posted by snapdragon
I suspect all but the first one are due to low battery and starting the car.
Clear all trouble codes, then do the Function Test:
Prerequisites:
Connect a battery charger as per repair manual.
Cycle the Parking Brake ON, then OFF first.
[Select]
[53 - Parking Brake]
[Basic Settings - 04]
Group 010
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
The brake pads are now opening and closing 3 times.
Wait 30 seconds after the the brakes stop making noise.
[Done, Go Back]
[Close Controller, Go Back - 06]
Clear all codes again.
Do you still get EPROM error?
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