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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0989 To DTC P2764) >> DTC P2719, P2720 or P2721 >> Repair Procedures

Repair Procedures

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. 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. Replace the control solenoid (w/body and TCM) valve assembly. Refer to Control Module References for replacement, setup, and programming.
  2. Perform the Service Fast Learn Adapts .
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