Service Suspension System message

[DenaliDrew]

HI all, this winter, I started seeing this message up in the high country of Colorado when it was fairly chilly. Now, it is appearing with regularity in the Denver area. The dealer said they couldn't find any codes. Which seems a bit like bs. Anyone experiencing this? This is on a 21 Yukon XL Denali Duramax but no air ride.

 

[OR VietVet]

You said "THE" dealer. Go to a different dealer and make sure you ask for any current codes and history codes.

 

[Eusibius2]

Or pick up a cheap ish OBDII reader on Amazon and pull the codes yourself. You can read them on your phone

 

[Doubeleive]

Or pick up a cheap ish OBDII reader on Amazon and pull the codes yourself. You can read them on your phone

it's not a OBD code

 

[Doubeleive]

HI all, this winter, I started seeing this message up in the high country of Colorado when it was fairly chilly. Now, it is appearing with regularity in the Denver area. The dealer said they couldn't find any codes. Which seems a bit like bs. Anyone experiencing this? This is on a 21 Yukon XL Denali Duramax but no air ride.

View attachment 387722

take it back and have them or another dealer scan it while the message is active on the display, that's a body code, not a obd code, has to be read by a higher end tool that can read body codes, if the message is not present there may be nothing in the history either, just depends

 

[WalleyeMikeIII]

Found this Info on the MFGR Communications section on the NHTSA web site (nhtsa.gov). Perhaps ask your dealer about 22-NA-222. Here is a link to the PDF shown: https://static.nhtsa.gov/odi/tsbs/2022/MC-10226120-0001.pdf

 

[DenaliDrew]

Thanks for the tips all. I did take it back last week with the message still on the screen and told them to figure it out. They have ordered some new module and are going to install it on Thursday. I will make sure to show them the technical bulletin as well. Hopefully everything will work out as I'm nearing 30k on Mt. Massive.

 

[OR VietVet]

Thanks for the tips all. I did take it back last week with the message still on the screen and told them to figure it out. They have ordered some new module and are going to install it on Thursday. I will make sure to show them the technical bulletin as well. Hopefully everything will work out as I'm nearing 30k on Mt. Massive.

So, you did not already make them aware of the technical service bulletin?

 

[DenaliDrew]

Not previously, no, but I texted it to my service advisor.

 

[OR VietVet]

Not previously, no, but I texted it to my service advisor.

Did they know about the technical service bulletin when they inspected and ordered a module? Are you on the hook for the parts and laboe?