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P2D85

Battery Charger B Input Current Sensor Circuit Range/Performance

The input current sensor of battery charger B reports a circuit range/performance condition. Charging current measurement is unreliable.

  • 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.

  • Current sensor characteristic driftedCommon
  • Magnetic offset from nearby ferrous partsPossible
  • Sensor element aged beyond calibration windowLess likely

Parts involved

  • Battery Charger B Input Current Sensor
  • Wiring Harness
  • Bms

P2D85 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.