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Home >> Toyota >> 2019 >> Yaris L, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (12 Of 13) >> SFI System >> DTC U0074-00: Control Module Communication Bus "B" Off [07/2015 - 08/2018] >> Confirmation Driving Pattern

Confirmation Driving Pattern

Repeatability Verification Procedure 

  1. Clear the DTC from the ECM memory using the Techstream.

    Refer to CLEARING DTC [07/2015 - ]

  2. Start the engine.
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