CarScan
P0560Powertrain

System voltage — malfunction

Where to start

The unit is unhappy with the system voltage. This is a pointer code: the battery, the alternator or a corroded earth is almost always to blame rather than the unit itself. ⚠️ If a bunch of other codes came with it, start here — they are probably consequences.

What to watch in live data

A code is not a diagnosis. It says which check failed, not which part to replace. Clearing it without repair only means the car will report it again in a few trips.

How to put together a report a mechanic will actually read

How the code is built

Letter — the systemPowertrain: engine and transmission
Common or the maker's ownGeneric code: the same on every car
Which part of the engineIdle and auxiliary systems
Number of the faultThe serial number inside that group — it does not say how serious the fault is

All codes in «Idle and auxiliary systems»

How the app helps

CarScan reads this code from your car through an OBD-II adapter, shows whether it is active now or only stored, names the module that reported it, and puts it into a plain-text report for your mechanic.

See what the app does

Unfamiliar word? Open the glossary

What the letter and the four digits mean