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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls Self-Diagnostics - 3.4L) >> Programming >> Powertrain Control Module >> Service Programming System

Service Programming System

WARNING: This page is about a different variant/trim than selected.

After replacing PCM or if program needs to be updated, refer to latest Techline information on PCM reprogramming. Before programming a PCM, the following must be observed, or PCM damage may occur:

After reprogramming, perform and PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS .