DTC Detection Logic
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC
(On board display)
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Trouble diagnosis name
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DTC detecting condition
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U0121
(127)
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VDC CAN CIR2
(VDC CAN circuit2)
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If ADAS control unit detects an error signal that is received from ABS actuator and electric unit (control unit) via CAN communication
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