Software error in the transmission control module

Bulletin number

37 13 08 2034163

Component

Electrical system: software

Summary

Software error in the transmission control module. Customer may report that the transmission does not work correctly. ? Shortly after a cold start, the following message appears in the instrument cluster display: ?Gearbox Malfunction! Journey can be continued?. The gearbox is in limp mode until the key is cycled. ? The issue is very sporadic and cannot be reproduced with a test drive. ? DTC P17E1 (Gear positioner 2 mechanical malfunction) with DFCC 9473 is stored in the transmission control module, J743 (address word 02). ? The DFCC is the 4-6 digit code that is typically listed before the fault code (Figure 1).

Owners of these vehicles have filed 15 complaints in the electrical category.