Skip to content

OBD II Codes, OBD 2 Codes

  • Home
  • OBD2 (P0001-P0999)
  • OBD2 (P1000-P2000)
  • OBD2 (P2001-P3500)
  • OBD2 (U0001-U2500)
  • OBD2 (B0001-B2800)
  • OBD2 (C0001-C3000)

Tag: P1139

P1139 SUBARU Front Oxygen A/F Sensor #1 Heater Circuit Performance/Range Problem

Possible causes – Faulty Front Oxygen A/F Sensor 11– Front Oxygen A/F Sensor 11 harness is open or shorted– Front Oxygen A/F Sensor 11 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged P1139, SUBARU   

P1139 CHEVROLET HO2S Insufficient Switching Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged chevrolet, P1139   

P1139 GMC HO2S Insufficient Switching Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged gmc, P1139   

P1139 BMW O2 Sensor Heater Circuit High Voltage Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged BMW, P1139   

P1139 BUICK HO2S Insufficient Switching Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged buick, P1139   

P1139 CADILLAC HO2S Insufficient Switching Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged cadillac, P1139   

P1139 VOLKSWAGEN Long Term Fuel Trim Add. Fuel B2 System Too Rich

Possible causes – Faulty O2 Sensor– High fuel pressure– Faulty Mass Air Flow (MAF) Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged P1139, VOLKSWAGEN   

P1139 AUDI Long Term Fuel Trim Add. Fuel B2 System Too Rich

Possible causes – Faulty O2 Sensor– High fuel pressure– Faulty Mass Air Flow (MAF) Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI

Read More P1139 AUDI Long Term Fuel Trim Add. Fuel B2 System Too Rich
Posted in OBDII Powertrain(P) Codes    Tagged AUDI, P1139   

P1139 Water In Fuel Indicator Circuit Malfunction

Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1139 Description Water In Fuel Indicator Circuit Malfunction is one of the definitions for the P1139; however your vehicle’s manufacturer may have a different definition for the P1139 code.

Read More P1139 Water In Fuel Indicator Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged P1139   

P1139 FORD Water In Fuel Indicator Circuit Malfunction

Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Posted in OBDII Powertrain(P) Codes    Tagged ford, P1139   

Categories

  • OBD II Codes FAQs
  • OBD II Wiki
  • OBDII Body(B) Codes
  • OBDII Chassis(C) Codes
  • OBDII Network(U) Codes
  • OBDII Powertrain(P) Codes

Pages

  • OBD2 (B0001-B2800)
  • OBD2 (C0001-C3000)
  • OBD2 (P0001-P0999)
  • OBD2 (P1000-P2000)
  • OBD2 (P2001-P3500)
  • OBD2 (U0001-U2500)

Vehicle

acura AUDI BMW buick cadillac chevrolet chrysler dodge ford gmc honda hummer hyundai infiniti ISUZU JAGUAR jeep kia lexus MAZDA MITSUBISHI nissan P0101 P0102 P0122 P0123 P0171 P0174 P0302 P0303 P0304 P0305 P0306 P0335 P0340 P0720 P1111 pontiac saturn scion SUBARU SUZUKI toyota VOLKSWAGEN VOLVO
Copyright © 2025 OBD II Codes, OBD 2 Codes