FixVault

DTC B10C9:1F [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 B10C9:1F (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION Erratic signal of keyless antenna (interior, front)
DETECTION CONDITION 
  • Keyless control module detects the open circuit in keyless antenna (interior, front) circuit.
POSSIBLE CAUSE 
  • Keyless antenna (interior, front) connector or terminals malfunction
  • Keyless control module connector or terminals malfunction
  • Short to ground in the wiring harness between the following terminals:
    • Keyless antenna (interior, front) terminal A-Keyless control module terminal 3Z
    • Keyless antenna (interior, front) terminal B-Keyless control module terminal 3AC
  • Open circuit in the wiring harness between the following terminals:
    • Keyless antenna (interior, front) terminal A-Keyless control module terminal 3Z
    • Keyless antenna (interior, front) terminal B-Keyless control module terminal 3AC
  • Keyless antenna (interior, front) malfunction
  • Keyless control module malfunction
G06731456Courtesy of MAZDA MOTORS CORP.