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DTC P2504:00: Notes

WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION REFERENCE CHART

DTC P2504:00 Charging system voltage high
DETECTION CONDITION 
  • The PCM determines that the generator output voltage is above 18.5 V  or battery voltage is above 16 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 
  • Generator connector or terminal malfunction
  • PCM connector or terminal malfunction
  • Short to power supply in wiring harness between generator terminal D and PCM terminal 2AA
  • Generator malfunction
  • PCM malfunction
G07625479Courtesy of MAZDA MOTORS CORP.
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