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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (On-Board Diagnostic - Front Body Control Module (FBCM)) >> DTC B1D06:13 [Front Body Control Module (FBCM)] >> Notes
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DTC B1D06:13 [Front Body Control Module (FBCM)]: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1D06:13 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description Turn light (LH) circuit malfunction
Detection condition
  • Front body control module (FBCM) detects an open circuit or short to power supply in the turn light (LH) circuit with the ignition switched ON (engine off or on).
Fail-safe function Not applicable
Possible cause
  • Front body control module (FBCM) connector or terminal malfunction
  • Front turn light bulb (LH) malfunction
  • Front combination light (LH) connector or terminal malfunction
  • Open circuit in wiring harness between front combination light (LH) terminal N and body ground
  • Short to power supply in wiring harness between front combination light (LH) terminal E and front body control module (FBCM) terminal 2B
  • Open circuit in wiring harness between front combination light (LH) terminal E and front body control module (FBCM) terminal 2B
  • Rear turn light bulb (LH) malfunction
  • Rear combination light (LH) connector or terminal malfunction
  • Open circuit in wiring harness between rear combination light (LH) terminal F and body ground
  • Short to power supply in wiring harness between rear combination light (LH) terminal A and front body control module (FBCM) terminal 2D
  • Open circuit in wiring harness between rear combination light (LH) terminal A and front body control module (FBCM) terminal 2D
  • Power outer mirror (LH) connector or terminal malfunction
  • Open circuit in wiring harness between power outer mirror (LH) terminal G and body ground
  • Side turn light (LH) malfunction
  • Short to power supply in wiring harness between power outer mirror (LH) terminal E and front body control module (FBCM) terminal 2F
  • Open circuit in wiring harness between power outer mirror(LH) terminal E and front body control module (FBCM) terminal 2F
  • Front body control module (FBCM) malfunction
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