GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: The following information contains the replacement procedure for the wiring harness and the electrical connector assembly ONLY. For service information on the solenoids or sensors, refer to the following procedures:

   •  Transmission Fluid Pressure Manual Valve Position Switch Replacement
   •  1-2 Shift Solenoid Valve Replacement
   •  2-3 Shift Solenoid Valve Replacement
   •  Torque Converter Clutch Pulse Width Modulation Solenoid Replacement
   •  Pressure Control Solenoid Valve Replacement
   •  Input Speed Sensor Replacement
   •  Fluid Temperature Sensor Replacement

  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .

  2. Object Number: 48209  Size: SH
  3. Disconnect the wiring harness assembly (224) from the following components:
  4. • TFP manual valve position switch (395)
    • 1-2 shift solenoid (315A)
    • 2-3 shift solenoid (315B)
    • Torque converter clutch PWM solenoid (334)
    • Pressure control solenoid (322)
    • Input speed sensor (440)
    • Fluid temperature sensor (391)
    • Wiring harness clips

    Object Number: 48210  Size: SH
  5. Remove the wiring harness assembly (224).

  6. Object Number: 49407  Size: SH
  7. Inspect the wiring harness assembly (224) for:
  8. • Cut or pinched wires
    • Cut wire insulation
    • Bent or broken electrical connections
    • Damaged terminal pins

Installation Procedure


    Object Number: 48210  Size: SH
  1. Install the wiring harness assembly (224).

  2. Object Number: 48209  Size: SH
  3. Connect the wiring harness assembly (224) to the following components:
  4. • TFP manual valve position switch (395)
    • 1-2 shift solenoid (315A)
    • 2-3 shift solenoid (315B)
    • Torque converter clutch PWM solenoid (334)
    • Pressure control solenoid (322)
    • Input speed sensor (440)
    • Fluid temperature sensor (391)
    • Wiring harness clips
  5. Install the case side cover. Refer to Control Valve Body Cover Replacement .