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P0A11

DC/DC Converter Enable Circuit/Open

The DC/DC converter enable circuit reports a enable circuit/open condition. Converter cannot be commanded to start reliably.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: medium

Common causes

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

  • Open in enable wireCommon
  • Enable switch failedPossible
  • Pin pushed back out of connector bodyLess likely

Parts involved

  • Dcdc Converter Enable Circuit
  • Wiring Harness
  • Hybrid Control Module

P0A11 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.