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DTC P2504: Notes

WARNING: This page is about a different variant/trim than selected.
DTC P2504 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2504 Battery overcharge
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).
  • MIL does not illuminate.
  • PENDING CODE is available if PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is not available.
  • DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Short to power supply between generator connector terminal D and PCM connector terminal 2AI
  • Generator malfunction
  • PCM and/or generator are poorly connected.
G04324064Courtesy of MAZDA MOTORS CORP.