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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Telematics System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC U1A04: TCU >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1A04

VIN UNFINISHED

(VIN unfinished)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

Vehicle identification number is not written

Diagnosis delay time

1 second or more