P2503 is set when alternator load is under 90% and current is under -10A for 20 min.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage monitoring | 1. Faulty battery sensor 2. Faulty alternator 3. Faulty ECM/PCM | |
Enable Conditions |
•
IG "ON" & Engine "ON" | ||
Threshold Value |
•
Alternator load is under 90% and current is under -10A for 20 min. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
NO |