DTC P2507: Notes

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Notes
DTC P2507 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2507 PCM B+ voltage low
DETECTION CONDITION 
  • The PCM monitors the voltage of back-up battery positive terminal. If the PCM detects battery positive terminal voltage below 2.5 V  for 2 s  , the PCM determines that the backup voltage circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
  • PENDING CODE is available if PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • DTC is stored in PCM memory.
POSSIBLE CAUSE 
  • Melt down EEC fuse
  • Open circuit in wiring between EEC fuse and PCM terminal 1BA
  • Short to ground between EEC fuse and PCM terminal 1BA
  • Poor connection of PCM connector
  • PCM malfunction
G04324065Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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