Tests - OSC Equipped Vehicles

Pinpoint Tests - OSC Equipped Vehicles

Special Tool(s) (Part 1):

Special Tool(s) (Part 2):

Any time an electrical connector or solenoid body is disconnected, inspect the connector for pin condition, corrosion and contamination. Also inspect the connector seal for damage. Clean, repair or install a new component as required.

Shift Solenoids Pre-Diagnosis
Use this shift solenoid operation information when carrying out Pinpoint Test A. Test A: Shift and Torque Converter Clutch Solenoids

Solenoid Operation Chart (Part 1):

Solenoid Operation Chart (Part 2):

Shift Solenoid Failure Mode Chart "Always Off"

Shift Solenoid Failure Mode Chart "Always Off" (Part 1):

Shift Solenoid Failure Mode Chart "Always Off" (Part 2):

Failed off due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck off.

Shift Solenoid Failure Mode Chart "Always On"

Shift Solenoid Failure Mode Chart "Always On" (Part 1):

Shift Solenoid Failure Mode Chart "Always On" (Part 2):

Failed on due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck on.