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Home >> Chevrolet >> 2000 >> Metro Base, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 1.0L & 1.3L >> Diagnostic Tests >> DTC P0601: Control Module Read Only Memory (ROM) >> Diagnostic Procedures
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Diagnostic Procedures

  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. Connect scan tool to DLC. Using scan tool, clear DTC information. Turn ignition on to initialize PCM. Start engine. Road test vehicle. If necessary, repeat road test. If vehicle does not start, crank engine so that DTC P0601 can set. If DTC resets, go to next step. If DTC does not reset, see DIAGNOSTIC AIDS .
  3. Replace PCM. Program replacement PCM using required equipment. After replacing PCM, go to next step.
  4. After repairs, using scan tool, clear DTC information. Road test vehicle within freeze frame conditions that set DTC. Check for DTCs. If no DTCs are stored, repair is complete. If any DTCs are stored, diagnose DTC(s).
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