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Home >> Chevrolet >> 2001 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L (L65) (Introduction) >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Notes
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Powertrain Control Module (PCM) Replacement: Notes

Service of the powertrain control module (PCM) should normally consist of replacement of the PCM.

If the diagnostic procedures calls for replacing the PCM, perform the following procedures in the following order:

  1. Programming the PCM
  2. Passlock Learn Procedure
  3. Programming the top dead center (TDC) offset
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