Scania AMS DTC 1377 Battery voltage

AMS AMS control unit · Scania · 2 variants

Code 1377 (decimal). Some diagnostic tools show it in hexadecimal as 0561.

In short

The EMS control unit has measured a voltage higher than the battery voltage in EEC.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 1377 mean?

What causes Scania DTC 1377?

What are the symptoms?

How to fix Scania AMS fault code 1377?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included

Yearly plan: pay 10 months, get 12. Cancel at any time.

Variant 2

Applies to: AMS2

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

Code 1377 in other Scania systems

Compare code 1377 in every system →