EV Diagnostics
Source-backed diagnostic reference

P1136 EV diagnostic code

O2 Sensor Heater Circuit High 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 High Voltage Bank 1 Sensor 1 Source
  • BUICK: HO2S Rich Average Bank 1 Sensor 1 Source
  • CADILLAC: HO2S Rich Average Bank 1 Sensor 1 Source
  • CHEVY: HO2S Rich Average Bank 1 Sensor 1 Source
  • CHRYSLER: HO2S Rich Average Bank 1 Sensor 1 Source
  • GM: HO2S Rich Average Bank 1 Sensor 1 Source
  • GMC: HO2S Rich Average Bank 1 Sensor 1 Source
  • JAGUAR: Control Box Fan Circuit Source
  • MAZDA: HO2S Bank 1 Sensor 1 Heater Circuit High Input Source
  • OLDSMOBILE: HO2S Rich Average Bank 1 Sensor 1 Source
  • OTHER: Fan Control Circuit Malfunction Source
  • SATURN: HO2S Rich Average Bank 1 Sensor 1 Source
  • VOLKSWAGEN: Long Term Fuel Trim Add Fuel Bank 1 System Too Lean Source

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