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Home › Genesis › 2021 › G70 2.0T, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis - 2.0L (5 Of 6) › DTC P0A1A-00: Generator Control Module › Component Inspection

Component Inspection

  1. Replace alternator.
  2. Turn off the ignition switch.
  3. Connect GDS to Data Link Connector (DLC).
  4. Clear DTC and Test-drive under enable conditions above-mentioned.
  5. Check the "DTC".
  6. Does the GDS show DTC "P0A1A00"?

    YES 

    • Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known-good alternator and check for proper operation. If the problem is corrected, replace alternator and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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