EV Diagnostics
Source-backed diagnostic reference

P1187 EV diagnostic code

O2 Sensor Heater Control Circuit Bank 2 Sensor 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

  • BMW: O2 Sensor Heater Control Circuit Bank 2 Sensor 2 Source
  • BUICK: EOT Sensor Circuit Low Voltage Source
  • CADILLAC: EOT Sensor Circuit Low Voltage Source
  • CHEVY: EOT Sensor Circuit Low Voltage Source
  • CHRYSLER: EOT Sensor Circuit Low Voltage Source
  • FORD: Variant Selection Source
  • GM: EOT Sensor Circuit Low Voltage Source
  • GMC: EOT Sensor Circuit Low Voltage Source
  • JAGUAR: O2 Sensor Heater Circuit Open, Inferred Fault Source
  • LINCOLN: Variant Selection Source
  • MERCURY: Variant Selection Source
  • OLDSMOBILE: EOT Sensor Circuit Low Voltage Source
  • OTHER: Variant Selection Source
  • SATURN: EOT Sensor Circuit Low Voltage Source
  • VOLKSWAGEN: Linear Oxygen Sensor Compensation Resistor Open Source

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