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Home DTC Codes B0119 Easy · 30-60min
B0119 Warning

OBD2 code B0119: Body control module (BCM)

BCM module malfunction.

ECU: BCM

Detected Root Component

Body Component

Confidence level: low

Observed Symptoms

  • Inoperative window regulator
  • Faulty central locking
  • Dashboard errors

Possible Causes

  • Faulty BCM module
  • Blown fuse
  • Damaged wiring
  • Corroded connector
Diagnostic Progress 0 %
Difficulty Easy
Est. time 30-60min
Tools Required 5 tool(s)

Tools Required

multimeter OBD scanner wiring diagram safety goggles insulation tape

Interactive Diagnostic

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Diagnostic Result

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certainty points

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Parts likely to be the cause (Boîtier fusibles / BSI)

Boîtier fusibles / BSI

Boîtier fusibles / BSI

Photo d'illustration : Boîtier fusibles / BSI

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Frequently asked questions about code B0119

What does code B0119 mean?

OBD2 code B0119: Body control module (BCM). BCM module malfunction.

What are the symptoms of code B0119?

Code B0119 may cause: Inoperative window regulator, Faulty central locking, Dashboard errors. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code B0119?

The most common causes of code B0119 are: Faulty BCM module, Blown fuse, Damaged wiring, Corroded connector. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code B0119?

Code B0119 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code B0119?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Faulty BCM module, Blown fuse, Damaged wiring, Corroded connector. Difficulty: Easy · Estimated time: 30-60min.