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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Automatic Transmission - 2ML70 - DTC P0218 To DTC P0967) >> DTC P0721-P0723 >> Repair Procedures

Repair Procedures

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. 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 Output Speed Sensor Replacement .
  2. 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 .
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