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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 785 (Programming And Setup - All Systems) >> Repair Instructions >> Engine Control Module Programming and Setup >> ECM Replacement

ECM Replacement

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WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

If the engine control module (ECM) is replaced, the following procedures must be performed:

  1. ECM Reprogramming-Refer to Service Programming System (SPS) .
  2. Crankshaft Position (CKP) Variation Learn-Refer to Crankshaft Position System Variation Learn .
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