DTC Description

During engine running, if system voltage is above 16V, the PCM sets a P0563 DTC.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

Voltage too high

1.

Poor connection

2.

Short in circuit

3.

Faulty charging system

4.

Faulty main relay

5.

Faulty PCM

Enable Conditions

Engine running

Threshold value

System voltage greater than 16V

Diagnosis Time

Continuous

MIL On Condition

3 driving cycles

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