GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Electronic Component Views Internal

Automatic Transmission Internal Electronic Components (4L80-E)


Object Number: 71422  Size: LF
(22a)Automatic Transmission (AT) Input (Shaft) Speed Sensor (ISS) Assembly
(22b)Automatic Transmission (AT) Output (Shaft) Speed Sensor (OSS) Assembly
(34)Automatic Transmission Fluid Temperature (TFT) Sensor
(40)Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
(311)2-3 Shift Solenoid (SS) Valve Assembly
(313)1-2 Shift Solenoid (SS) Valve Assembly
(320)Pressure Control (PC) Solenoid Valve Assembly
(323)Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve Assembly

Automatic Transmission Electronic Component Views External

Vehicle Speed Sensor, C122, and Park/Neutral Position (PNP) Switch - Automatic Transmission


Object Number: 697264  Size: MF
(1)Engine Harness
(2)Vehicle Speed Sensor (VSS) - Transmission Output Shaft Speed Sensor
(3)C122
(4)PNP C2
(5)PNP C1
(6)PNP Switch
(7)Automatic Transmission Input Shaft Speed (ISS) Sensor