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P2CC7

Generator Inverter Power Supply B Circuit High

The power supply circuit B for the generator inverter reports a circuit high condition. Inverter operation may be impaired.

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

Common causes

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

  • Supply wire shorted to B+Common
  • Voltage regulator overvoltagePossible
  • Connector pins corroded - high contact resistanceLess likely

Parts involved

  • Generator Inverter B
  • Wiring Harness
  • Hybrid Control Module

P2CC7 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.