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DTC P2502 [L3 With TC]: Notes

DTC P2502 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2502 Charging system voltage problem
DETECTION CONDITION 
  • PCM determines that the generator output voltage is above 17 V  or the battery voltage is below 11V  while the engine is running.

Diagnostic support note 
  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA is not available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • Open circuit between generator terminal B and battery positive terminal
  • Battery malfunction
  • Generator malfunction
  • PCM is poorly connected
  • PCM, generator and/or battery are poorly connected
G04954420Courtesy of MAZDA MOTORS CORP.
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