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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Engine Controls - Removal & Installation - Diesel) >> Programming >> Transmission Control Module (ALLISON) >> Description
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Transmission Control Module (ALLISON): Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Four steps are required to successfully complete the Fast Learn procedure:

  1. Park Mode
  2. Drive Mode
  3. Reverse Mode
  4. C2 Learn Mode

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