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Home >> Nissan-Datsun >> 2021 >> Armada S, RWD >> Repair and Diagnosis >> Transmission >> Transfer Case (DTCS) >> All Mode AWD/4WD (Transfer Control Unit) >> DTC P1820: Engine Speed Signal >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

Display item

Malfunction detected condition

Possible cause

P1820

ENGINE SPEED SIG

Malfunction is detected in engine speed signal that is output from ECM through CAN communication.
  • Harness or connector (CAN communication line)
  • Internal malfunction of ECM
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