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November 2, 2015 Service bulletin

Power train: automatic transmission

Chevrolet technical service bulletin PIC3520C for 2005-2013 Chevrolet Corvette, 2005-2011 Cadillac STS and 2004-2009 Cadillac XLR.

Bulletin number
PIC3520C
Component
Power train: automatic transmission
Summary
This Preliminary Information communication provides information to the technician about a failed module programming or difficulty performing certain diagnostic procedures due to the ignition not being in the "Ignition On, Engine Off" mode. Technician will need to press and hold the ACC/OFF portion of the Start/ACC/OFF mode button for 5 seconds with a valid keyless entry transmitter inside the vehicle and the transmission in Park or Neutral.

Owners of these vehicles have filed 262 complaints in the transmission category.

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