Skip to content
Book on WhatsApp

P0A76

Generator Phase W Current Low

Phase W current of the generator is below the expected window. Indicates open winding or sensor offset.

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

Common causes

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

  • Phase winding partially openCommon
  • Current sensor offset driftedPossible

Parts involved

  • Generator Phase W
  • Inverter

P0A76 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.