Automatic Transmission Electronic Component Views

Fig 1: Identifying Electronic Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
36	Vehicle Speed Sensor (VSS) - Model Dependent
66	Torque Converter Clutch (TCC) Solenoid Valve
69	Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
250	Input Speed Sensor (ISS) Assembly - Model Dependent
367a	1-2 Shift Solenoid (SS) Valve
367b	2-3 Shift Solenoid (SS) Valve
377	Pressure Control (PC) Solenoid Valve
394	3-2 Shift Solenoid (SS) Valve Assembly
396	Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve

Fig 2: Identifying Engine Harness - Rear (M30)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Transmission Case
2	C175 Engine Harness to Transmission Internal Harness
3	Heated Oxygen Sensor (HO2S) 2
4	Transfer Case Encoder Motor Connector
5	Vehicle Speed Sensor (VSS) Connector
6	Park/Neutral Position (PNP) Switch

Fig 3: Identifying Park Neutral Position (PNP) Switch

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Automatic Transmission 4L60-E/4L65-E/4L70-E
2	Park/Neutral Position (PNP) Switch