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C0267

Brake Pump Motor Circuit

The ABS or brake control module has detected an electrical fault in the brake pump motor circuit. The pump is used to build brake pressure during ABS, ESP and brake-by-wire operations and a fault disables these functions.

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

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.

  • Brake pump motor failedCommon
  • Pump motor relay failedPossible
  • Power supply wiring faultLess likely

Parts involved

  • Brake Pump Motor
  • ABS Control Module
  • Power Supply Wiring

C0267 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.