DTC P2503:00: Notes

DTC P2503:00	Charging system voltage low
DETECTION CONDITION	The PCM needs more than 20 A from the generator, and determines that the generator output voltage is below 8.5 V for 5 s while the engine running. Diagnostic support note This is a continuous monitor (other). The MIL does not illuminate. FREEZE FRAME DATA (Mode2)/Snapshot data is not available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	Drive belt exceed limit Generator connector or terminal malfunction Short to ground in wiring harness between generator terminal D and PCM terminal 2AA Short to ground in wiring harness between generator terminal P and PCM terminal 2AF PCM connector or terminal malfunction Open circuit in wiring harness between generator terminal D and PCM terminal 2AA Open circuit in wiring harness between generator terminal P and PCM terminal 2AF Generator malfunction PCM malfunction