P1139 BUICK – HO2S Insufficient Switching, Bank 1 Sensor 2

P1139 BUICK Possible Causes

  • Faulty HO2S, Bank 1 Sensor 2
  • Open or short circuit in Bank 1 Sensor 2 HO2S wiring harness
  • Poor electrical connection in Bank 1 Sensor 2 HO2S circuit
 

How to Fix P1139 BUICK Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

 
 

Possible Symptoms

  • Engine light on (or engine service warning light soon)
 

P1139 BUICK Meaning

Insufficient HO2S Bank 1 Sensor 2 switching is the generic description for Buick P1139 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the OBDII P1139 Buick code.

P1139 CADILLAC – Insufficient HO2S Switching, Bank 1 Sensor 2

P1139 CADILLAC Possible Causes

  • Faulty HO2S, Bank 1 Sensor 2
  • Open or short circuit in Bank 1 Sensor 2 HO2S harness
  • Poor electrical connection in Bank 1 Sensor 2 HO2S circuit

How to Fix P1139 CADILLAC Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or soon-to-be-service engine warning light)

P1139 CADILLAC Meaning

HO2S Insufficient Switching, Bank 1 Sensor 2 is the generic description for Cadillac P1139 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the OBDII P1139 Cadillac code.

P1139 CHEVROLET – HO2S Insufficient Switching, Bank 1 Sensor 2

P1139 CHEVROLET Possible Causes

  • Faulty HO2S, Bank 1 Sensor 2
  • Open or short circuit in Bank 1 Sensor 2 HO2S wiring harness
  • Poor electrical connection in Bank 1 Sensor 2 HO2S circuit

How to Fix Code P1139 CHEVROLET?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or engine service warning light soon)

P1139 CHEVROLET Meaning

HO2S Insufficient Switching, Bank 1 Sensor 2 is the generic description for Chevrolet code P1139, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Chevrolet OBDII code P1139.

P1139 FORD – Malfunction in the Fuel Water Indicator Circuit

How to Fix P1139 FORD Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or engine service warning light soon)

P1139 FORD Meaning

Malfunction in the fuel water indicator circuit is the generic description for Ford P1139 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Ford P1139 OBDII code.

P1139 GMC – Insufficient HO2S Switching, Bank 1 Sensor 2

P1139 GMC Possible Causes

  • Faulty HO2S, Bank 1 Sensor 2
  • Open or short circuit in HO2S Bank 1 Sensor 2 wiring harness
  • Poor electrical connection in HO2S Bank 1 Sensor 2 circuit

How to Fix GMC Code P1139?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Check Engine Light on (or Service Engine Soon warning light)

P1139 GMC Meaning

HO2S Insufficient Switching, Bank 1 Sensor 2 is the generic description for GMC code P1139, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we have no further information about OBDII code P1139 GMC.

P1139 MINI – High Voltage in O2 Sensor Heater Circuit, Bank 1 Sensor 2

P1139 MINI Possible Causes

  • Faulty HO2S, Bank 1 Sensor 2
  • Open or short circuit in HO2S Bank 1 Sensor 2 wiring
  • Poor electrical connection in HO2S Bank 1 Sensor 2 circuit

How to Fix P1139 MINI Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or engine service warning light soon)

P1139 MINI Meaning

High voltage in O2 sensor heater circuit, Bank 1 Sensor 2 is the generic description for P1139 Mini code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the P1139 Mini OBDII code.

P1139 SUBARU – Performance / Range Problem of Front A/F Oxygen Sensor Heater Circuit No. 1

P1139 SUBARU Possible Causes

  • Faulty front A/F oxygen sensor 11
  • Front A/F oxygen sensor 11 harness is open or shorted
  • Poor electrical connection in the front A/F oxygen sensor 11 circuit

How to Fix P1139 SUBARU Code?

Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1139 SUBARU Meaning

The Front A/F Oxygen Sensor Heater Control Circuit Malfunction (Bank 1 Sensor 1) is the generic description for Subaru code P1139, but the manufacturer may have a different description for your specific model and vehicle year. Currently, we do not have more information about the OBDII P1139 Subaru code.

P1139 VOLKSWAGEN – Fuel System B2 Too Rich

P1139 VOLKSWAGEN Possible Causes

  • Faulty O2 sensor
  • High fuel pressure
  • Faulty mass air flow (MAF) sensor
  • O2 sensor harness is open or shorted
  • Poor electrical connection in O2 sensor circuit

How to Fix Code P1139 VOLKSWAGEN?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1139 VOLKSWAGEN Meaning

Fuel System B2 Too Rich is the generic description for Volkswagen code P1139, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about Volkswagen OBDII code P1139.

P113A – Correlation of Exhaust Gas Temperature Sensor 3-4

P113A Possible Causes

  • Faulty Exhaust Gas Temperature (EGT) sensor
  • Exhaust Gas Temperature (EGT) sensor harness is open or shorted
  • Poor electrical connection in the Exhaust Gas Temperature (EGT) sensor circuit

How is code P113A repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or engine service warning light soon)

P113A Meaning

The Engine Control Module (ECM) monitors the Exhaust Gas Temperature (EGT) sensor. The ECM sets the OBDII code when the Exhaust Gas Temperature (EGT) sensor does not meet factory specifications.

P113A CHEVROLET – Exhaust Gas Temperature Sensor 3-4 Correlation

P113A CHEVROLET Possible Causes

  • Faulty Exhaust Gas Temperature (EGT) sensor
  • Exhaust Gas Temperature (EGT) sensor harness is open or shorted
  • Poor electrical connection in the Exhaust Gas Temperature (EGT) sensor circuit

How to Fix Code P113A CHEVROLET?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or engine service soon warning light)

P113A CHEVROLET Meaning

The Engine Control Module (ECM) monitors the Exhaust Gas Temperature (EGT) sensor. The ECM sets the OBDII code when the Exhaust Gas Temperature (EGT) sensor does not meet factory specifications.