Scania EMU DTC 36940 HVAC heater supply, Data Erratic, Intermittent Or Incorrect In ECU

EMU EMU control unit · Scania

Code 36940 (decimal). Some diagnostic tools show it in hexadecimal as 00904C.

In short

ECU indicates that some fault detected in driver HW in ECU

Applies to: EMU1 (ECS)

What does Scania EMU fault code 36940 mean?

What causes Scania DTC 36940?

How to fix Scania EMU fault code 36940?

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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.