Cadillac TSB #PI1234B
2015 Cadillac XTS
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- This preliminary information bulletin provides a procedure on a brief rattle or tick when revving the engine when the vehicle is in P (Park) or N (Neutral). The same rattle or tick can sometimes be heard at the beginning or end of a vehicle acceleration while in D (Drive).