FixVault

DTC P2504: Notes

DTC P2504 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2504 Charging system voltage high
DETECTION CONDITION 
  • PCM judges generator output voltage is above 18.5 V  or battery voltage is above 16.0 V  during engine running.
  • Diagnostic support note 

  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Short to power circuit between generator connector terminal D and PCM connector terminal 2AQ
  • Generator malfunction
  • PCM and/or generator are poorly connected
G04315749