EV Diagnostics
Source-backed diagnostic reference

P1135 EV diagnostic code

O2 Sensor Heater Circuit Low Voltage Bank 1 Sensor 1

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

  • BMW: O2 Sensor Heater Circuit Low Voltage Bank 1 Sensor 1 Source
  • BUICK: HO2S Lean Average Bank 1 Sensor 1 Source
  • CADILLAC: HO2S Lean Average Bank 1 Sensor 1 Source
  • CHEVY: HO2S Lean Average Bank 1 Sensor 1 Source
  • CHRYSLER: HO2S Lean Average Bank 1 Sensor 1 Source
  • FORD: Pedal Position Sensor A Circuit Intermittent Source
  • GM: HO2S Lean Average Bank 1 Sensor 1 Source
  • GMC: HO2S Lean Average Bank 1 Sensor 1 Source
  • LEXUS: Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Source
  • LINCOLN: Pedal Position Sensor A Circuit Intermittent Source
  • MAZDA: HO2S Bank 1 Sensor 1 Heater Circuit Low Input Source
  • MERCURY: Pedal Position Sensor A Circuit Intermittent Source
  • NISSAN: Intake Valve Timing Control Circuit Bank 2 Source
  • OLDSMOBILE: HO2S Lean Average Bank 1 Sensor 1 Source
  • OTHER: Pedal Position Sensor A Circuit Intermittent Source
  • SATURN: HO2S Lean Average Bank 1 Sensor 1 Source
  • TOYOTA: Air/Fuel Sensor Heater Circuit Response Bank 1 Sensor 1 Source
  • VOLKSWAGEN: Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Electrical Malfunction Source
  • GENERIC: Pedal Position Sensor A Circuit Intermittent Source

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