FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0563

Tests 1 - 2:




Tests 3 - 7:




Tests 8:




SYMPTOM
P0563-BATTERY VOLTAGE HIGH

WHEN MONITORED
The engine running. The engine speed greater than 380 RPM.

SET CONDITION
Battery voltage is 1 volt greater than desired system voltage. One Trip Fault

POSSIBLE CAUSES
- Generator field control circuit shorted to ground
- Generator field control circuit open
- Generator field ground circuit open
- Intermittent condition
- Generator operation
- Generator field control circuit shorted to battery voltage
- PCM