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
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Display item
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Malfunction detected condition
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Possible cause
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C1203
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ABS SYSTEM
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Malfunction related to wheel sensor has been detected by ABS actuator and electric unit (control unit).
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ABS malfunction
- Vehicle speed signal error
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