Scania BMU DTC 1374 Prohibited insulation check during direct current charging

BMU Battery Management Unit · Scania

Code 1374 (decimal). Some diagnostic tools show it in hexadecimal as 055E.

In short

A propulsion battery in the vehicle has carried out an isolation measurement at the same time as the electric vehicle charging station.

Applies to: BMU6 (RES)BMU6 (RESXA)BMU6 (RESXB)BMU6 (RESXC)BMU6 (RESXD)BMU6 (RESXE)BMU6 (RESXF)BMU6 (RESXG)BMU6 (RESXH)BMU6 (RESXI)BMU6 (RESXJ)BMU6 (RESXK)

What does Scania BMU fault code 1374 mean?

What causes Scania DTC 1374?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 1374?

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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.

Code 1374 in other Scania systems