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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Control System - Diagnostic Codes (P26CA-U1150)) >> SFI System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [03/2022 - 03/2024] >> 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
Ignition switch ON