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Automatic Transmission Components

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Transmission Components

Component Name Callout
B15 Transmission Internal Mode Switch 1
B14A Transmission Output Shaft Speed Sensor 2
B14C Transmission Input Shaft Speed Sensor 3
Q8 Control Solenoid Valve Assembly 4
Fig 1: Automatic Transmission Components
GM2701736Courtesy of GENERAL MOTORS COMPANY