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Home › Pontiac › 2000 › Firebird Formula, Automatic › Repair and Diagnosis › External Pages › Different variant/trim › Section 1 (Engine Control System - Self-Diagnostics - 3.8L) › Diagnostic Tests › DTC P0601: Control Module Read Only Memory (ROM) › Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different variant/trim than selected.
  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After performing OBD system check, go to next step.
  2. Replace PCM. Program replacement PCM using required equipment. After replacing PCM, repeat OBD system check.
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