DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. 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 causes
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C1729
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VHCL SPEED SIG ERR
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Vehicle speed signal not detected.
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- CAN communication malfunction
- Low tire pressure warning control unit malfunction
- ABS actuator and electric unit (control unit) malfunction
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