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B0830

Left Front Turn Signal Circuit

A fault has been detected in the left front turn signal circuit.

  • Check engine light: Not always
  • Emissions related: No
  • Repair difficulty: easy

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Common causes

Ordered by how often each turns out to be the cause.

  • Burnt out turn signal bulbCommon

Parts involved

  • Left Front Turn Signal
  • Body Control Module

B0830 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.