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Rear wheels lock up after idling for 10 mins

Kookin
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Kookin Enthusiast

Kookin

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Posted

I have about  6000 ( i travel a lot and despise airplane seats )  miles on my 2019 GMC SEIRRA DENALI 5.3 ( I love chrome lol ) . I've  been experiencing   a very troubling issue been to the dealership once already and had a hard time convincing them that something was wrong with the truck .Every time i drive for long periods of time or idle for 10+ mins when i shift from park to drive  i cannot go faster than 5 mph without the rear brakes locking up. I do not know if this is some kind of limp mode or what  . Contacted GM they work slower than molasses  , idk what  to do 

GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted
15 hours ago, Kookin said:

I have about  6000 ( i travel a lot and despise airplane seats )  miles on my 2019 GMC SEIRRA DENALI 5.3 ( I love chrome lol ) . I've  been experiencing   a very troubling issue been to the dealership once already and had a hard time convincing them that something was wrong with the truck .Every time i drive for long periods of time or idle for 10+ mins when i shift from park to drive  i cannot go faster than 5 mph without the rear brakes locking up. I do not know if this is some kind of limp mode or what  . Contacted GM they work slower than molasses  , idk what  to do 

 

Hi, Karl. We understand how frustrating this rear brake concern must be for you. Feel free to send us a private message, if you need us to provide an additional layer of support. We hope to hear from you soon.

 

 

Anthony J.

Kookin Enthusiast

Kookin

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Posted
2 hours ago, electron_si said:

Sounds like an issue with the electronic parking brake. Are you getting any code lights 

I  have been thinking  the same thing ,  a service brake assist message came on but then disappears told the dealership they looked shocked and perplexed that can happen.

SS502 Senior Enthusiast

SS502

Posted
Posted
19 hours ago, Kookin said:

I  have been thinking  the same thing ,  a service brake assist message came on but then disappears told the dealership they looked shocked and perplexed that can happen.

If they are shocked (pardon the pun) something relying on electrical inputs might be failing, find another dealership. It sounds exactly like your parking brake is having issues.

Kookin Enthusiast

Kookin

Posted
  • Author
Posted
1 hour ago, electron_si said:

Any chance you can unplug the button going to the electronic parking brake to see if it fixes the issue 

I was looking for a fuse to pull , removing the button never crossed my mind.

Kookin Enthusiast

Kookin

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Posted
35 minutes ago, SS502 said:

If they are shocked (pardon the pun) something relying on electrical inputs might be failing, find another dealership. It sounds exactly like your parking brake is having issues.

Definitely I am going to next nearest delearship 

bfrank02 Enthusiast

bfrank02

Posted
Posted (edited)

Could also be the safety package low speed active brake assist, if you have that. Might try cleaning the sensors?!?!?

 

Edited by bfrank02
SS502 Senior Enthusiast

SS502

Posted
Posted
2 hours ago, bfrank02 said:

Could also be the safety package low speed active brake assist, if you have that. Might try cleaning the sensors?!?!?

 

That system should activate all four brakes so there is a problem in the system. Cleaning the sensors certainly will not hurt but there is something else wrong here.

Hillwood Enthusiast

Hillwood

Posted
Posted

When it locks up did you try to cycle the park brake switch?

Sent from my SM-G965U using Tapatalk

Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted

Drop it off at the dealer and make them give you a loaner.

Unfortunately...… First year new model bugs but most likely Electronic Brake related.

 

  • 3 months later...
Stephanie Lynn New Member

Stephanie Lynn

Posted
Posted (edited)

The same thing happened to me last night. This is the report I sent to NHTSA. What did they have to do to fix the issue? My dealer came and picked up my truck and dropped off a loaner but I have no idea how long it will take to fix.

 

20190403_231107.jpg

Edited by Stephanie Lynn
Removing email address
Limelight Enthusiast

Limelight

Posted
Posted (edited)

Might want to remove your email and address from the public forum...

good luck getting this resolved!

Edited by Limelight

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