EV Diagnostics
Source-backed diagnostic reference

P1102 EV diagnostic code

HO2S11 Heater Circuit High Voltage

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • KIA: HO2S11 Heater Circuit High Voltage Source
  • MAZDA: Mass Air Flow Sensor Signal Inconsistent With Throttle Position Sensor Source
  • MITSUBISHI: Traction Control Ventilation Solenoid Circuit Fault Source
  • OTHER: MAF Sensor In Range But Lower Than Expected Source
  • SUBARU: Pressure Sources Solenoid Valve Circuit Malfunction Source
  • VOLKSWAGEN: Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak Source

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