Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse
Faulty Engine Control Module (ECM)
|How to Fix the P0031 LAND-ROVER Code?
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.
The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow, which is a very common problem for this type codes. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors.
HO2S Heater Control Circuit Low Bank 1 Sensor 1 is the generic definition for the P0031; however your vehicle's manufacturer may have a different definition and information for the P0031 code.
|What is the cost to diagnose the P0031 LAND-ROVER code?
The cost to diagnose the P0031 LAND-ROVER 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 P0031 LAND-ROVER code detected?
The P0031 is set when the ECM detects an excessively low voltage through the heated oxygen sensor heater circuit
|What are P0031 LAND-ROVER code possible symptoms?
Engine Light ON (or Service Engine Soon Warning Light)
|What Does the P0031 LAND-ROVER Code Mean?
Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM).
In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground.
The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.
HO2S Heater Control Circuit Low Bank 1 Sensor 1
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