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Home >> Hyundai >> 2017 >> Elantra GT Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P1566: Analog Battery Sensor Circuit >> Component Inspection

Component Inspection

  1. Replace battery sensor.
  2. IG "OFF".
  3. Connect GDS to Data Link Connector (DLC).
  4. Clear DTC and Test-drive under enable conditions above-mentioned.
  5. Does the GDS show DTC "P1566"?

    YES 

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

    NO 

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