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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P068D-00: Cylinder 7 Glow Plug Control Circuit High >> 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 Glow Plug Control Module detected that the glow plug circuit was shorted to battery.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P068D-00

(Cylinder 7 Glow Plug Control Circuit High)

Diagnosis condition

Initial key ON

Signal (terminal)

(-)

Threshold

Voltage is > 0.6 and MOFSET is commanded OFF or voltage is < 0.6 and MOFSET is commanded ON

Diagnosis delay time

Diagnostic runs continuously when the engine is running