This bulletin applies to 2011-2014 GM vehicles equipped with OnStar. While diagnosing a vehicle with an OnStar concern, technicians may find DTC B101D-37 in the OnStar module (VCIM) while checking for codes.

GM engineering has identified that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.

Dealers/technicians are to disregard this history DTC and address any symptoms described by the customer, including any additional codes that may be current.