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P0E6F

Control Pilot Signal Frequency Range/Performance

The control pilot PWM frequency from the EVSE is range/performance. SAE J1772 requires 1 kHz +/- tolerance.

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

Symptoms

  • Charge status indicator shows fault
  • Charging may not start or interrupts
  • Slower-than-expected charge rate

Common causes

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

  • EVSE signal driftCommon
  • Noise coupling on PWM linePossible
  • Sensor element aged beyond calibration windowLess likely

Parts involved

  • Control Pilot Signal
  • Evse

P0E6F 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.