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DTC P2502: Notes

DTC P2502 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2502 Generator terminal B circuit open
DETECTION CONDITION 
  • The PCM determines that the generator output voltage is 17 V or above,  or the battery voltage is 11 V or below  when the engine is running.

Diagnostic support note 

  • This is a continuous monitor (other).
  • The MIL does not illuminate.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is not available.
  • DTC is stored in PCM memory.
POSSIBLE CAUSE 
  • Open circuit between generator terminal B and the battery positive terminal
  • Battery malfunction
  • PCM malfunction