Cadillac Ats 2013 — technical service bulletin
Bulletin 12316A · NHTSA communication 10246685 · issued May 1, 2013
Technical service bulletin
communication type
Power Train
component
2013
model years
1
vehicle entries
Official summary
Service Update for Inventory and Customer Vehicles Improper Differential Ring Gear Weld Expires with Base Warranty - Rear Wheel Drive
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.