LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control (VSC) System >> Vehicle stability control system >> DTC U0073 Control Module Communication Bus "A" Off; DTC U0100 Engine data, not received; DTC U0101 Transmission data, not received; DTC U0126 Lost Communication With Steering Angle Sensor Module; DTC U0140 Missing data for body integrated unit >> Inspection steps
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection steps

  1. Diagnostic code list recheck
    1. Using SSM4, clear the diagnostic code. (Refer to Checking/clearing diagnostic codes )
    2. Perform a driving test.
    3. Using SSM4 again, check the diagnostic code output. (Refer to Checking/clearing diagnostic codes )
    RESULT REFERENCE

    Result Go to
    Error code A
    Normal B

    B: Malfunction reproduction test (Refer to Procedures for malfunction phenomenon simulation )

    A: Go to "CAN communication system (How to troubleshoot)" (Refer to How to troubleshoot )