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P0EB8

A/C Compressor Motor Phase U Current Sensor Circuit Intermittent/Erratic

A/C Compressor Motor Phase U Current Sensor Circuit Intermittent/Erratic: the signal is intermittent or erratic. Often a loose connector or chafed wiring; a wiggle test often locates it.

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

Common causes

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

  • Current sensor failedCommon
  • Wiring faultPossible
  • Connector with intermittent contact under vibrationLess likely

Parts involved

  • AC Compressor Motor Phase U Current Sensor
  • Wiring Harness

P0EB8 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.