Supersedes Technical Service Bulletin Group 97 number 13-37 dated August 8, 2013. Two or more warning lights are/were illuminated simultaneously. The warning lights may be sporadic, and may not be illuminated when the customer brings the vehicle to the workshop. CAN communication DTCs may be found in control modules. There is sporadic data disruption on the CAN bus wiring behind the dashboard, between the left (T46a) and right (T46b) 46-pin CAN disconnect plugs.
