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Automatic Transmission Internal Components

GM5131778Courtesy of GENERAL MOTORS COMPANY
Automatic Transmission Internal Components

Component Name Callout
B14A Transmission Output Shaft Speed Sensor B14A Transmission Output Shaft Speed Sensor 1
B15 Transmission Internal Mode Switch B15 Transmission Internal Mode Switch 2
Q77B Transmission Control Solenoid Valve 2 Q77B Transmission Control Solenoid Valve 2 3
Q77A Transmission Control Solenoid Valve 1 Q77A Transmission Control Solenoid Valve 1 4
Q77F Transmission Control Solenoid Valve 6 Q77F Transmission Control Solenoid Valve 6 5
Q77E Transmission Control Solenoid Valve 5 Q77E Transmission Control Solenoid Valve 5 6
B13 Transmission Fluid Temperature Sensor 7
Q77K Transmission Control Solenoid Valve 10 Q77K Transmission Control Solenoid Valve 10 8
Q77G Transmission Control Solenoid Valve 7 Q77G Transmission Control Solenoid Valve 7 9
Q77H Transmission Control Solenoid Valve 8 Q77H Transmission Control Solenoid Valve 8 10
Q77J Transmission Control Solenoid Valve 9 Q77J Transmission Control Solenoid Valve 9 11
Q77D Transmission Control Solenoid Valve 4 Q77D Transmission Control Solenoid Valve 4 12
Q77C Transmission Control Solenoid Valve 3 Q77C Transmission Control Solenoid Valve 3 13