Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix

Bulletin number

B17-012

Component

Power train

Summary

Service bulletin - Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix. If the fluids mix, the engine and transmission may be permanently damaged and require replacement. These vehicles previously had the transmission replaced because the transmission warmers leaked. In rare cases, these vehicles may have also overheated but because the issue was under investigation, a standard repair procedure hadn?t been developed. Further action is needed before the vehicle is completely repaired.

Owners of these vehicles have filed 176 complaints in the transmission category.