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P2D41

A/C Compressor Motor Voltage B Performance

The voltage B feedback of the electric A/C compressor motor does not match the commanded value within tolerance.

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

Common causes

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

  • Voltage feedback driftedCommon
  • High-resistance contact in connectorPossible

Parts involved

  • AC Compressor Motor
  • Wiring Harness
  • ECM

P2D41 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.