Engine-Codes - Generic - P1031

P1031 Code - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1

- Code Popularity: 24,081 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1031?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Air Fuel Ratio Sensor 1 Bank 1
  • Air Fuel Ratio Sensor 1 harness is open or shorted
  • Air Fuel Ratio Sensor 1 circuit poor electrical connection
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How to Fix the DTC P1031?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1031 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The current amperage in the heated air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. An excessively low voltage signal is sent to Engine Control Module (ECM) through the heated air fuel ratio (A/F) sensor 1 heater.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1031 Code Mean?

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element at the specified range.

P1031 Code - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1

Need more Information on the Code?

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Code P1031 Information for Specific Makes

  • P1031 Audi Intake Manifold Air Control Valve Position Sensor Specification Not Attained
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  • P1031 Chrysler Cylinder 1 Oil Supply Solenoid Valve Driver Voltage Implausible  📷
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  • P1031 GMC HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 Infiniti Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1
  • P1031 Jeep Cylinder 1 Oil Supply Solenoid Valve Driver Voltage Implausible  📷
  • P1031 Mercedes-Benz Heated Oxygen Sensor Malfunction
  • P1031 Nissan Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1
  • P1031 Oldsmobile HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 Pontiac HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 Saab Injector 3 Low Output
  • P1031 Saturn HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 Volkswagen Intake Manifold Air Control Valve Position Sensor Specification Not Attained

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