Scania DDU DTC 4392 DDU Internal Power Supply Fault

DDU DDU control unit · Scania

Code 4392 (decimal). Some diagnostic tools show it in hexadecimal as 001128.

In short

DDU(VIP) detects one of the internal peripherals of the DDU have a fault with the power supply DI_VIP_SMPS_QC_3V3_PG DI_VIP_SMPS_VIF_1V8_PG DI_VIP_SMPS_VIF_1V2_PG DI_VIP_SMPS_VIF_1V0_PG DI_VIP_SMPS_VIF_1V2_PG

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4392 mean?

What are the symptoms?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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