Supersedes Technical Service Bulletin Group 97 number 13-40 dated November 26, 2013. The customer may report multiple 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.
