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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (6 Of 6) & Circuit Tests (Hybrid)) >> SFI System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [10/2018 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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Monitor runs whenever the following DTCs are not stored None
Both of the following conditions are met -
Auxiliary battery voltage 10 V or higher
Power switch On (IG)
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