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Nissan-Datsun
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2021
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NV2500 HD S
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Repair and Diagnosis
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External Pages
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Different car
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Section 202 (Automatic Transmission (DTC/Circuit Diagnosis) (Re6R01A))
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DTC/Circuit Diagnosis
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DTC U0401: Communication Error (Invalid)
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DTC Description
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Possible Cause
Possible Cause
WARNING:
This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
ECM
Harness or connector (CAN communication line is open or shorted)