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P2CC0

PCV Heater "B" Performance

The control circuit of PCV (positive crankcase ventilation) heater B reports a performance condition. PCV line heater prevents oil mist freezing in cold weather.

  • Check engine light: Yes
  • Emissions related: Yes
  • Repair difficulty: easy

Common causes

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

  • Heater element aged - low outputCommon
  • Supply voltage low under loadPossible

Parts involved

  • PCV Heater B
  • Wiring Harness
  • ECM

P2CC0 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.