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2021 Trailblazer RS
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Discussion Starter #1
Random Service light for power steering ESC. What do you all think of it? Any more out there? Take a look at the photos. This is a message that popped up.

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2021Trailblazer RS AWD Scarlet Red Metallic
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405 Posts
I saw it one time about 2 months ago. It's one of the software glitches GM engineers are working on. Its nothing to worry about unless the warning doesn't go away on the next ignition cycle or if it's accompanied by a CEL (check engine light).

Steve
 

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2021 TB Zues Bronze Activ
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433 Posts
You instrument cluster is diff then mine. While mine is not an RS, I have no ACTIV on my Tack. And my temp gauge just has an ARROW that points just as the quarter marks, no dashes like the gas tank has. You would think they would be the same.
 

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2021 Trailblazer RS
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Discussion Starter #5
Yes thank you. It does go away on the next ignition sequence. Regarding the instrument cluster layout, no sir this was part of the updated package I believe. I’m a believer I like it it looks nice
 

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2021 TB Zues Bronze Activ
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"updated" or just the RS version?
 

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2021Trailblazer RS AWD Scarlet Red Metallic
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"updated" or just the RS version?
My RS instrument cluster looks the same. The RS also has a different shifter and a flat bottom steering wheel which the other models don't have.

Steve
 

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2021Trailblazer RS AWD Scarlet Red Metallic
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Cool. I just have the boring old ACTIV.
Well the Activ and RS are the top 2 models just designed a little differently. I like aspects of both. The Activ has good ground clearance plus better approach and departure angles. The RS is more sporty and street oriented. My favorite features on the RS is the small flat bottom steering wheel and the grill, but I like the LT and Activ wheels better. Can't go wrong with either one! 👍

Steve
 

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2021 TB Zues Bronze Activ
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Take it to the dealer and show them that pic, have them run a code check. There are a small amount of codes popping for folks, we got one on our Active model for something, I forget now, but it was not stored in computer. Some say these are "ghosts" in the machine and that GM is working on software updates for these cars. If that warning comes on and says on, even after you stop and start the car then I would get her to a dealer for sure.
 

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Take it to the dealer and show them that pic, have them run a code check. There are a small amount of codes popping for folks, we got one on our Active model for something, I forget now, but it was not stored in computer. Some say these are "ghosts" in the machine and that GM is working on software updates for these cars. If that warning comes on and says on, even after you stop and start the car then I would get her to a dealer for sure.
I just happened to left the dealer after picking up accessories I got with GM Reward points. After 1 1/2 hours they corrected the issue on my RS
 

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2021 TB Zues Bronze Activ
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What was issue? This could help others as some dealers seem to be willing to help with issues while others kinda well, be a dealer.
 

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What was issue? This could help others as some dealers seem to be willing to help with issues while others kinda well, be a dealer.
Paperwork states:
“Found codes for Loss of Communication and Zero Center. Relearned steering system and reprogrammed steering control unit”
Whatever this means. Hope it helps others.
 

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2021 Trailblazer RS
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Discussion Starter #18
Stay safe! If you notice strange operation from the steering whee or motor, pull over and have it towed, however most I’m hearing is that the codes go away after a motor restart, meaning turn off the car after you put it in park get out like it then redo everything unlock it get in turn it on and check. Safety first ;)
 

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2021 TB Zues Bronze Activ
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Sounds like rebooting a microsoft run computer after it locks up. ha ha ha ha
 
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