Supersedes Technical Service Bulletin Group 35 number 13-10 dated May 7, 2013. The following message appears in the information display: "Gearbox malfunction: you can continue driving". Fault entries are stored in the transmission control module. Fault codes and expanded environmental conditions codes must match exactly or this TSB should not be followed. Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate, causing contact loss.
