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Home >> Geo >> 1997 >> Metro Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes 1.0 & 1.3L >> Diagnostic Trouble Code Tests >> DTC P0601 - Powertrain Control Module (Pcm) Memory >> Diagnosis & Repair

Diagnosis & Repair

  1. Connect scan tool to DLC. Using scan tool, clear DTC information. Road test vehicle. If necessary, repeat road test. If vehicle does not start, crank engine so that DTC P0601 can set. If DTC P0601 sets, replace PCM. After repair is completed, go to next step. If DTC P0601 does not set, go to DIAGNOSTIC AIDS. Check for an intermittent problem. See the TESTS W/O CODES article.
  2. 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 set, go to appropriate DTC diagnostic test.
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