Service Leveling System/Speed Limited Message Due to Aftermarket Modifications – 2021 Cadillac Chevrolet GMC

NHTSA ID Number: 10202399 Manufacturer Communication Number: PIT5854 Summary This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.   Condition Some customers may comment on a Service Leveling System/Speed Limited message on DIC. Dealers may find no DTC’s present.   Cause This could be caused by … Read more