P0563 OBD Code Definition:
P0563 System Voltage High
P0563 OBD Code Description:

OBD Code P0563

System Voltage High

What’s mean?

OBD2 Code P0563 Definition:
The battery supplies electricity to the ECM even when the ignition switch is OFF. This electricity allows the ECM to store data such as DTC history, freeze frame data, fuel trim values and other data. If the battery voltage falls below a minimum level, the ECM will conclude that there is a fault in the power supply circuit. The next time the engine starts, the ECM will turn on the MIL and a DTC will be set.


Possible sumptoms of P0563
– Engine Light ON (or Service Engine Soon Warning Light) – Slow engine start – Low battery power

Possible Causes

Possible causes of P0563
– Loose or missing alternator drive belt – Faulty alternator – Battery defective – Open or short system voltage circuit The Error code is generally activated on detection of the following conditions: The P0563 code is detected when the battery voltage detected by the ECM is more than a calibrated value

Possible Solutions

2 thoughts on “P0563

  1. vikramjit singh

    I have lunch car scanner this code p0563 after change the ecm I am read the AMD 93c56 meter 24c16 and same data in after key code and coding is succes after salf is working but car not start and this code p0563 show

  2. rafik

    code defaut P0563 j’avais un problème sur une picanto de 2011. j’avais le voyant EPS qui s’allume en roullant et dysfonctionnement de la direction assisté. Après vérification jai trouvé que c’est le régulateur de charge qui faisais le problème de hauts tension. Après changement le probleme est résolut


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