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Home >> GMC >> 2003 >> Envoy 4WD >> Repair and Diagnosis >> General Information >> Computer Relearn Procedures >> Engine Control Module Or Powertrain Control Module >> Service Programming System Remote Procedure (Except Corvette) >> Verifying Reprogramming
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Verifying Reprogramming

Verify the PCM programming was successful using the following procedure:

  1. Turn OFF the ignition for 30 seconds.
  2. Start the engine.
  3. Repeat the SPS procedure if the vehicle does not start or starts but runs rough.

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