08-023-21

Flash: Drive Style Control Module (DSCM) Updates This bulletin involves checking if the vehicle dynamic (DNA) selector is operableand possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set in the DSCM:U1700-87 - Body Control Module (BCM) - Missing Message. U0011-14 - Down Rotary Knob Failure-Circuit Short To Ground Or Open. U0011-15 - Down Rotary Knob Failure-Circuit Short To Battery Or Open. U0012-15 - Up Rotary Knob Failure-Circuit Short To Battery Or Open. B1603-68 - Rotary Encoder Fault-Event Information. The following DTC has been set in the Body Control Module (BCM):U1A20-87 - DSCM (Drive Style Control Module) - Missing Message. The customer may also comment on the following: The vehicle dynamic (DNA) selector is inoperable.