Supersedes Technical Service Bulletin Group 37 number 11-20 dated May 13, 2011. There is no customer complaint with this concern. DTCs may be stored. If the memory is read with guided fault finding (GFF) or if Immobilizer test plans are performed, the above DTC entries may be stored due to a communication error between the VAS tester and the TCM. (In particular, the issue happens with tester VAS 5051B).