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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0601-00: ECM >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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.

The Engine Control Module (ECM) detected the calibration memory check sum did not match the expected value or it did not complete before ECM shutdown.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0601-00

ECM

(Internal Control Module Memory Check Sum Error)

Diagnosis condition

Ignition is ON or engine is running.

Signal (terminal)

(-)

Threshold

CRC on calibrations and unchanging trims, code block or other calibrations does not equal the expected values.

Diagnosis delay time

Diagnostic runs continuously when the engine is running