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Home >> Cadillac >> 1996 >> Eldorado Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0602 - Pcm Not Programmed >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform On-Board Diagnostic (OBD) System Check. After performing OBD system check, go to next step.
  2. Flash PCM with correct software. Check if DTC resets. If DTC resets, go to next step.
  3. Replace PCM. Program replacement PCM using required equipment.