Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring |
•
Charging circuit
•
Alternator component | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
When battery voltage is above 18V | |||
Diagnostic Time |
•
5 sec. | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
MIL | NO | |||
P0563 is set when battery voltage above 18V is detected for more than 830 sec.. Check alternator component. (overcharging of alternator)
▶ ECM senses battery voltage as monitoring the voltages in ECM connector terminal 1,3,5 which are transmitted from main relay.
