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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0331: Knock Sensor >> DTC Description >> Possible Cause

Possible Cause

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Harness or connectors

(The knock sensor circuit is open or shorted.)