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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: 12, DTC: B10D5:13/P1260:00 [Immobilizer System (Advanced Keyless Entry And Push Button Start System)] >> Notes

Security Light: 12, DTC: B10D5:13/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: B10D5:13/P1260:00(IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DTC Security light flashing pattern 12 Coil antenna malfunction
M-MDS display Keyless control module B10D5:13
PCM P1260:00
DETECTION CONDITION 
  • PCM or keyless control module determines a malfunction in coil antenna.
POSSIBLE CAUSE 
  • Coin antenna connector or terminals malfunction
  • Keyless control module connector or terminals malfunction
  • Coil antenna malfunction
  • PCM malfunction
  • Keyless control module malfunction