Service Power Steering and Service ESC

[2019_Silverado_HC]

Drove to a store was in there maybe 15 minutes. Came out and started truck and was met with Service Power Steering Drive with Care and Servoce ESC warnings. I tried several times to restart in an attempt to clear the message. No luck. Sat for about 20 minutes with engine off. Called tow truck. I tried to restart and message was cleared. No DTCs. And no way to replicate.

[todd777]

This happened to me this weekend but also had a Brake System Failure message and the brakes barely worked. Thankfully I was sitting in a Starbuck's drive thru before heading on a 3 hour road trip so I was able to park the truck and call OnStar for a tow. 

 

I was pushing very hard on the pedal to get the truck to stop rolling. I restarted the truck a few times and the error messages remained.

 

I had four messages:

Service ESC

Service Trailer Brake

Brake System Failure - 62 MPH Top Speed

Steering Assist Reduced Drive with care

 

Lights on dash that were illuminated

ABS 

Check Engine

BRAKE

Traction Control

 

Truck is a 2019 Sierra Denali Ultimate 

Edited November 12, 2018 by todd777

[2019_Silverado_HC]

I didn’t have any brake issues and no warnings regarding brakes. I bet that was unsettling experience. I did check the DTC codes with my scanner and nothing was tripped or recorded. It hasn’t happened anymore so I am hoping it was a glitch in the computer. These trucks have too many computers!  I am interested in hearing what your dealer finds out. Please post the results when you find out. 

[todd777]

Dealer called and said they are replacing the master cylinder...

[Booger T]

My truck did this same thing, service ESC and steering assist reduced drive with care, stabili trac symbol was also lighted on dash showing that I had lost traction but I wasn't moving.  Took to dealer on Monday and it was showing a code for yaw what ever that is. Tech reset and said would see if it does it again. When all this was going on I could not tell any difference in the way the steering was, seemed normal.

[Booger T]

On ‎11‎/‎12‎/‎2018 at 9:48 AM, todd777 said:

This happened to me this weekend but also had a Brake System Failure message and the brakes barely worked. Thankfully I was sitting in a Starbuck's drive thru before heading on a 3 hour road trip so I was able to park the truck and call OnStar for a tow. 

 

I was pushing very hard on the pedal to get the truck to stop rolling. I restarted the truck a few times and the error messages remained.

 

I had four messages:

Service ESC

Service Trailer Brake

Brake System Failure - 62 MPH Top Speed

Steering Assist Reduced Drive with care

 

Lights on dash that were illuminated

ABS 

Check Engine

BRAKE

Traction Control

 

Truck is a 2019 Sierra Denali Ultimate 

I had all of the exact same messages and lights come on last Friday when getting ready to leave work. Brakes were not working properly, drove  four miles to home and parked. When I started it later the only thing on was the check engine light, brakes worked fine. Took to dealer yesterday and they called GM and they said to replace master cylinder but that parts may not be available at this time. Go figure, new truck, no parts.

[HvyChvy334]

This literally just happened to me about an hour ago in my Trail Boss. I was at a stop light and I started hearing a loud clicking sound near my foot on the brake. It stopped when I released the pedal to take off for the green light. The warning lights for brake system failure, service ESC, traction control off, and service trailer brake system came on. As the car in front of me started to turn right I couldn’t stop without standing on the brake and that didn’t work well. I tapped the back and chipped the bumper. It didn’t do anything to them. I was trying to turn in as well because the lights came on. Had to get towed to the dealer. I’m so pissed that GM would let some crap like this go under the radar. This is beyond negligent if they are aware of this issue. Brakes are the most important safety system on a vehicle. This situation is going to end up really bad for someone and almost did for me. Luckily I keep an extremely safe distance from cars in front of me and wasn’t going at high speed yet. Hey GM, maybe you should keep all those employees you’re putting out of jobs and get them to help fix problems like BRAKES! 

[Ziggo]

I have had this same issue as well with the exact same messages. I have also had issues with the digital instrument cluster and heads up display just shutting off and coming back on as if it were rebooting several times. Also have had a message come up "Service Setting Column Stick". WTF GM? I just bought this 2019 Denali Ultimate back in October. When I took it to the dealership for the above mentioned issues with the messages mention at the beginning of this post, GMC engineering had no answers for them. They reset the codes and like clockwork, there was a software update the next time I got in the truck to start it - imagine that. This particular issue hasn't popped back up, but the instrument and heads up display issues are still there. It seems GM is in dire need of Electrical Engineers that have a clue of how to design an electrical system...

[LGB]

On April 2, 2019 I parked brefily for about 30 minutes. Upon re-entering my 2019 GMC Sierra truck with approximately 4500 miles and starting the engine I immediately received multiple warning messages on my dash panel. They were "Service ESC" "Service Trailer Brake", "Brake System Failure" "Steering Assist Reduced" and to drive no faster than 62 MPH.  Previously prior to parking I had never had any problems whatsoever. I was in a location where I needed to go so I attempted to drive but found quickly that the brake pedel went all the way to the floor with very limited or basically no braking. The steering became very difficult with no apparent power assist. I drove it approximately two miles and got to a location where I could park. I turned the engine off and back on and the problem did not go away. I turned it off again and waited a couple of minutes and then heard an automated couple of clunk sounds from the front.. I started it up and everything was okay except the check engine light was on and stayed on the rest of evening. The next morning the check engine light was still on however about twenty minutes later I noticed it was off and everything has been fine since. I had planned to take it to the GMC dealer however with no problem showing now and from past experience with the dealerships I decided there was no need to schedule an appointment until the symptoms come back. I found on the internet later that there are numerous instances where this has happened to many other 2019 GMC Sierra owners. I feel that this is a extremely serious problem that needs immediate attention especially with the near total braking system failure!

[ShamrockShooter]

On April 2, 2019 I parked brefily for about 30 minutes. Upon re-entering my 2019 GMC Sierra truck with approximately 4500 miles and starting the engine I immediately received multiple warning messages on my dash panel. They were "Service ESC" "Service Trailer Brake", "Brake System Failure" "Steering Assist Reduced" and to drive no faster than 62 MPH.  Previously prior to parking I had never had any problems whatsoever. I was in a location where I needed to go so I attempted to drive but found quickly that the brake pedel went all the way to the floor with very limited or basically no braking. The steering became very difficult with no apparent power assist. I drove it approximately two miles and got to a location where I could park. I turned the engine off and back on and the problem did not go away. I turned it off again and waited a couple of minutes and then heard an automated couple of clunk sounds from the front.. I started it up and everything was okay except the check engine light was on and stayed on the rest of evening. The next morning the check engine light was still on however about twenty minutes later I noticed it was off and everything has been fine since. I had planned to take it to the GMC dealer however with no problem showing now and from past experience with the dealerships I decided there was no need to schedule an appointment until the symptoms come back. I found on the internet later that there are numerous instances where this has happened to many other 2019 GMC Sierra owners. I feel that this is a extremely serious problem that needs immediate attention especially with the near total braking system failure!

Do everyone a favor and go to NHTSA and report it as a safety issue. Once they get a bunch of complaints that is how recalls get started.

Sent from my Pixel 2 using Tapatalk

[LGB]

This was a copy of my text to NHTSA. I filed a complaint yesterday. Without a doubt this is a major safety issue!

[Apachesplace]

I had the same problems with my 2019 Silverado I just bought as a used truck. I had it for 2 weeks when it first happened and it did it again about a week later. I took it back to the dealer. They had never heard of anything like this. I really don't think the believed me. That night I found this group and showed them that yes this is an issue. They called Chevy (they do know about this problem) they told them to replace the steering gear module.

This was last week, yesterday I started the truck it jerked forward I could not  move the wheel like before and my message said "steering assist reduced drive with care". 

It is in the shop again.

I wanted to thank everyone that posted their experience. You helped me make the dealer understand the issue. 

They are now telling me this is a completely different problem. 

Can you believe I have not made a payment on it yet.

[LGB]

I just had my new 2019 Sierra in for regular service at 7000 miles and they found four recall notices one of which hopefully repaired the problem I had with the "lack of steering and braking". The Notices were Recall 14121  (#N192210460 eBoost Control Module Software False Detection with DTC Associated) also noted (PIT5638B Service Brake Assist Message with DTC C0021, C058E and/or C05B0) The Dealer had to reprogram the software calibrations to correct the problem.

 

The other recalls wer as follows:

N192213550 Sofftware Error on trailer light control module

N182201851 Reset Park Assist

N182201852 Navigation Map SD Card Not Read

 

 

[freds1978]

2019 Silverado Crew Cab LT 2700 miles. Same power steering issue. I went to the store, came back after about 20 minutes turned the truck on and the display reads "Service Power Steering Drive Safely". Turned off the truck hoping that would reset it and it didn't. After about 5 minutes I drove it home without power steering. Luckily I only lived about 1 mile away. Got the truck home and called Chevrolet Roadside Assitance. Once I was done talking to them I looked under the hood and of course I couldn't see a power steering pump. So I turned the truck on and all of a sudden the error was gone and the power steering worked fine. I still dropped it off at the dealer and told them the issue and the service writer was surprised to hear about the issue since it has an electric power steering unit. I guess I'll find out this Monday if they could fix it or if it was just a computer "Glitch". 

[LGB]

My 2019 GMC Sierra lost power steering and especially most of the braking. After turning it off for a few minutes and back on the problem all went away and has never returned.

 

During my most recent oil change at 7000 miles there was a recall performed that appears to be attempting to correct the problem. The recall is # 14121  (40CVZRECALL) that was listed on my dealer repair invoice. Also Bulletin # PIT5638B appears to apply.