DTC P2502:00: Notes

DTC P2502:00	Charging system voltage problem
DETECTION CONDITION	The PCM determines that the generator output voltage is 17 V or more or the battery voltage is 11 V or less for 5 s while the engine running. Diagnostic support note This is a continuous monitor (other). The MIL does not illuminate. FREEZE FRAME DATA (Mode 2)/Snapshot data is not available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	Battery malfunction Generator terminal B installation nut looseness Battery positive terminal looseness Short to ground or open circuit in battery charging circuit Short to ground in wiring harness between STR 250 A fuse and generator terminal B STR 250 A fuse malfunction Open circuit in wiring harness between battery positive terminal and generator terminal B Generator malfunction PCM malfunction