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C0241

ABS Warning Lamp Control Circuit

The ABS warning lamp control circuit is shorted or open. The driver may see a permanently lit or non-functional ABS warning lamp.

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

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Common causes

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

  • Lamp bulb/LED failedPossible
  • Control wiring shortedPossible

Parts involved

  • ABS Warning Lamp
  • Instrument Cluster
  • ABS Control Module

C0241 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.