EV Diagnostics
Source-backed diagnostic reference

P1150 EV diagnostic code

Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2

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

  • FORD: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2 Source
  • LEXUS: Air/Fuel Ratio Sensor Circuit Range Performance Malfunction Bank 2 Sensor 1 Source
  • LINCOLN: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2 Source
  • MAZDA: HO2S Bank 2 Sensor 1 Not Switching Fuel Control Limit Reached Source
  • MERCURY: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2 Source
  • OTHER: Lack Of HO2S21 Switch - Adaptive Fuel At Limit Source
  • SUBARU: Front Oxygen Sensor Heater Circuit High Input Source
  • TOYOTA: Air/Fuel Sensor Circuit Range Performance Bank 1 Sensor 2 Source
  • VOLKSWAGEN: Oxygen Sensor Control Bank 2 Out Of Range Source

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