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Home DTC Codes B0168 Medium · 45-75min
B0168 Warning

OBD2 code B0168: 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 Medium
Est. time 45-75min
Tools Required 4 tool(s)

Tools Required

multimeter OBD scanner (SRS capable) wiring diagram insulated gloves (optional)

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 B0168

What does code B0168 mean?

OBD2 code B0168: Body control module (BCM). BCM module malfunction.

What are the symptoms of code B0168?

Code B0168 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 B0168?

The most common causes of code B0168 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 B0168?

Code B0168 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code B0168?

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: moderate · Estimated time: 45-75min.