DTC P2504:00 [L5]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSES
| 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
while the 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 |
- 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
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 Courtesy of MAZDA MOTORS CORP.
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