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P0BE6

Drive Motor A Phase U Current Sensor Circuit Range/Performance

The current sensor for drive motor A phase U reports a circuit range/performance fault. Phase current measurement is unreliable.

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

Symptoms

  • EV/hybrid system warning light on
  • Reduced motor power or torque
  • Possible limp mode or vehicle shutdown

Common causes

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

  • Current sensor offset driftedCommon
  • Magnetic offsetPossible
  • Sensor element aged beyond calibration windowLess likely

Parts involved

  • Drive Motor A Phase U Current Sensor
  • Wiring Harness
  • Hybrid Control Module

P0BE6 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.