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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 571 (On-Board Diagnostic [Immobilizer System (Advanced Keyless Entry And Push Button Start System)]) >> Security Light: 14, DTC: B10D7:81/P1260:00 [Immobilizer System (Advanced Keyless Entry And Push Button Start System)] >> Notes

Security Light: 14, DTC: B10D7:81/P1260:00 [Immobilizer System (Advanced Keyless Entry And Push Button Start System)]: Notes

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DTC: B10D7:81/P1260:00 (IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DTC Security light flashing pattern 14 Receiving erratic serial data
M-MDS display Keyless control module B10D7:81
PCM P1260:00
DETECTION CONDITION 
  • Keyless control module cannot read the key ID number data normally.
POSSIBLE CAUSE 
  • Coil antenna connector or terminals malfunction
  • Keyless control module connector or terminals malfunction
  • Key (transponder) malfunction
  • Coil antenna malfunction
  • PCM malfunction
  • Keyless control module malfunction
    NOTE:
    • If any of the following items are touching or near key head, signal communication between key and vehicle is negatively affected, resulting in engine not starting:
      • Spare Keys
G06734067Courtesy of MAZDA MOTORS CORP.

  • Keys for other vehicles equipped with an immobilizer system
  • Any metallic object
  • Any electronic device, or any credit or other card with magnetic strips