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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Safety Connect System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> SAFETY CONNECT SYSTEM (for Gasoline Model) >> DTC B15EC: Backup Battery Degradation [06/2018 - 10/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

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NOTE:
  • If this DTC is set, be certain to replace the BUB (Back-Up Battery) with a new one.
  • After the BUB (Back-Up Battery) is replaced, it is necessary to clear this DTC.
  • The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress.

    Refer to ACN CALL END [06/2018 - 10/2019]

HINT: 

Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct.

Refer to HEALTH CHECK [06/2018 - 10/2019]

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