Cadillac CTS 2004–2016 — technical service bulletin
Bulletin 15521 · NHTSA communication 10137768 · issued Apr 26, 2016
Technical service bulletin
communication type
Electrical System
component
2004–2016
model years
25
vehicle entries
Official summary
15521 ? Customer Advisory Letter. On these vehicles, if the side doors will not open from inside the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, customers are being advised that the driver and passenger side doors can still be opened from inside the vehicle by using the manual release levers located on the floor between the seats and the door openings. Also, if the vehicle's side doors will not open from outside the vehicle due to low or no battery voltage, such as a discharg
Vehicles covered
- 2011 Cadillac CTS
- 2012 Cadillac CTS
- 2013 Cadillac CTS
- 2014 Cadillac CTS
- 2014 Cadillac Elr
- 2015 Cadillac Elr
- 2016 Cadillac Elr
- 2004 Cadillac XLR
- 2005 Cadillac XLR
- 2006 Cadillac XLR
- 2007 Cadillac XLR
- 2008 Cadillac XLR
- 2009 Cadillac XLR
- 2005 Chevrolet Corvette
- 2006 Chevrolet Corvette
- 2007 Chevrolet Corvette
- 2008 Chevrolet Corvette
- 2009 Chevrolet Corvette
- 2010 Chevrolet Corvette
- 2011 Chevrolet Corvette
- 2012 Chevrolet Corvette
- 2013 Chevrolet Corvette
- 2014 Chevrolet Corvette
- 2015 Chevrolet Corvette
- 2016 Chevrolet Corvette
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.