Scania MBS DTC 45938 #To be removed. Short circuit on primary compartment roof fan speed 1 PWM

MBS MBS control unit · Scania

Code 45938 (decimal). Some diagnostic tools show it in hexadecimal as B372.

In short

- Short circuit to the GND or VBAT detected on PWM output - Door fan is not functional

Applies to: MBS3 (MBS)

What does Scania MBS fault code 45938 mean?

What causes Scania DTC 45938?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 45938?

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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.