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Home >> Cadillac >> 1996 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0603 - Pcm Memory Reset >> Diagnostic Procedures

Diagnostic Procedures

  1. Perform On-Board Diagnostic (OBD) System Check. After performing OBD system check, go to next step.
  2. Using scan tool, check for other DTC(s) set. If other DTC(s) are set, diagnose affected DTC(s). If other DTC(s) are not present, see DIAGNOSTIC AIDS.
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