Engine-Codes - Generic - P1031

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

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P1031 code possible 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

|How is the P1031 code repair?

Start by checking 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's pins.

|What is the cost to diagnose the P1031 code

Labor: 1.0

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

|When is the P1031 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 P1031 code possible symptoms?

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

|What is P1031 code meaning?

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.

|Need more information with the P1031 code?

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|P1031 code information for specific makes

  • P1031 AUDI Intake Manifold Air Control Valve Position Sensor Specification Not Attained
  • P1031 BUICK HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 CADILLAC HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 CHEVROLET HO2S Heater Current Monitor Control Circuit Banks 1 And 2 Sensor 1
  • P1031 DODGE HO2S Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1
  • 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 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

|Need help with a P1031 code?

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