GMC TSB #23-NA-074
2021 GMC Acadia
Affected Component: ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
- Summary
- This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.