DTC P2504: Notes
DTC P2504 [L3] DETECTION CONDITIONS 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 V
for 5s during engine running.
Diagnostic support note
- This is a continuous monitor (Other).
- The MIL does not illuminate.
- FREEZE FRAME DATA (Mode 2/Mode12) is not available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Generator is poorly connected
- Generator malfunction
- PCM is poorly connected
- Short to power circuit between generator connector terminal D and PCM connector terminal 2AA
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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