P0563

Tests 1 - 2:

Tests 3 - 6:

SYMPTOM
P0563-CHARGING SYSTEM VOLTAGE TOO HIGH

WHEN MONITORED
With the engine running for more than 30 seconds.

SET CONDITION
When battery voltage is greater than 1 volt over target voltage for more than 5 seconds.

POSSIBLE CAUSES
- Target voltage differs from battery voltage
- Intermittent condition
- Generator field driver circuit shorted to ground
- Generator field
- Powertrain control module