This bulletin applies to 2017-2018 Buick LaCrosse vehicles. A customer may bring in their vehicle with the SES light on. When diagnosing the concern, DTC P0446 may be found.
Engine Problem or Driver Problem?
This bulletin applies to 2014-2018 Buick Regal and 2017-2018 Envision vehicles. The MIL may be on with no drivability concerns, and DTC P2097 may be set. There are many things that can cause the P2097 and care must be taken when diagnosing this code.