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Home >> Lexus >> 2023 >> NX 350h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P26CA-U1150) >> SFI System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [11/2021 - 03/2022] >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever the following DTCs are not stored None
Both of the following conditions are met -
Auxiliary battery voltage 10 V or higher
Ignition switch ON
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