Cadillac TSB #GCUS-3-780
2017 Cadillac CTS
Affected Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
- 16129 Service Update. Certain vehicles, equipped with heated seat systems, may have a condition in which the heat output level (Hi/Med/Low) does not match what is illuminated on the display and the customer does not receive the selected heated seat level. Dealers will reprogram the body control module.