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

P0563

Test 1 - 2:




Test 3 - 4:






SYMPTOM
P0563-BATTERY VOLTAGE HIGH

WHEN MONITORED
With the ignition on. Engine RPM greater than 380 RPM.

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

POSSIBLE CAUSES
- Good trip equal to zero
- Generator operation
- (K20) GEN field control circuit shorted to battery voltage
- PCM