LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2015 >> 3 SV, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Front Body Control Module (FBCM) >> DTC B11DB 86: Error Signal Received From Current Sensor >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B11DB 86: Error Signal Received From Current Sensor: Notes

DTC B11DB 86 DETECTION CONDITION AND POSSIBLE CAUSE

Description  Error signal received from current sensor 
Detection condition 
  • Front body control module (FBCM) receives the error signals from the current sensor for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe function  Not applicable
Possible cause 
  • Current sensor connector or terminal malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • Short to ground in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E
  • Short to power supply in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E
  • Open circuit in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E
  • Current sensor malfunction
  • Front body control module (FBCM) malfunction
G09771796