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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1992 (Automatic Transmission - 2MT70 - DTC P0218 To DTC P0963) >> DTC P0721-P0723 >> Repair Procedures

Repair Procedures

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

  1. Perform the Automatic Transmission Wiring Harness and Output Speed Sensor Removal and Automatic Transmission Wiring Harness and Output Speed Sensor Installation for OSS replacement.
  2. Perform Control Module References for control solenoid (w/body and TCM) valve assembly replacement, setup, and programming.
  3. Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection .
  4. Perform the Control Solenoid Valve and Transmission Control Module Assembly Output Shaft Speed Input Test .