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Home › Genesis › 2021 › G70 2.0T, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis - 2.0L (6 Of 6) › DTC U04B1-00: Invalid Data Received From Battery Monitor Module › Component Inspection

Component Inspection

  1. Substitute with a known-good the battery sensor.
  2. Turn off the ignition switch.
  3. Connect the GDS and go to "Current Data".
  4. Clear DTC and Test-drive under the enable conditions.
  5. After the road test, check the "DTC".
  6. Is the DTC "U04B100" displayed again?

    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 

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