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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (6 Of 6) & Circuit Tests >> SFI System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [07/2020 - ] >> 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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