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Home DTC Codes B0197 Easy · 30-60min
B0197 Warning

OBD2 code B0197: 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 4 tool(s)

Tools Required

multimeter OBD scanner wiring diagram airbag-safe connector test leads

Interactive Diagnostic

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Diagnostic Result

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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 B0197

What does code B0197 mean?

OBD2 code B0197: Body control module (BCM). BCM module malfunction.

What are the symptoms of code B0197?

Code B0197 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 B0197?

The most common causes of code B0197 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 B0197?

Code B0197 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code B0197?

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.