GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Electronic Component Views OSS, HO2S, and A/T Range Switc

LH Side of Transmission


Object Number: 189260  Size: LF
(1)Engine Control Module (ECM) Harness
(2)Output Shaft Speed (OSS) Sensor
(3)Connector to Rear HO2S (Bank 1, Position 2)
(4)Connector to Rear HO2S (Bank 2, Position 2)
(5)Main Case
(6)Automatic Transmission Range Switch
(7)Case Adapter
(8)Harness to Front HO2S (Bank 1, Position 1)
(9)Connector to Front HO2s (Bank 1, Position 1)

Automatic Transmission Electronic Component Views A/T Ctl Ind., Airbag Module

LH Side of Center Console


Object Number: 189269  Size: LF
(1)LH Front Side Door Window Switch
(2)RH Front Side Door Window Switch
(3)Park Brake Indicator Switch
(4)Inflatable Restraint Sensing and Diagnostic and Seat Belt Pretensioner Module
(5)Automatic Transmission Control Indicator
(6)Body Wiring Harness

Internal Electrical Components


Object Number: 381235  Size: LF
(45)Vehicle Speed Sensor (VSS) Assembly
(303)On/Off N.C. Solenoid Assembly
(307)On/Off N.O. Solenoid Assembly
(323) Band Control PWM Solenoid Assembly
(404)Pressure Control (PC) Solenoid
(416)Torque Converter Clutch (TCC) On/Off N.C. Solenoid