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P0036 Isuzu Code - HO2S Heater Control Circuit Sensor 2

- Code Popularity: 9,951 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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By - Updated Jun 14, 2020
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|Code P0036 Isuzu Possible Causes

  • Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How do I Fix the Code P0036 Isuzu?

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's pins.

Does your Isuzu have Safety Recalls? → Check here

|Code P0036 Isuzu Tech Notes

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it take the sensor to warm up and start sending an adequate signal. The code is triggered when the sensor is taking too long to warm up. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors. If the sensor and connector are OK, replacing the O2 Sensor 1 usually takes care of the problem

|What is the Cost to Diagnose the Code P0036 Isuzu?

Labor: 1.0

The cost of diagnosing the P0036 Isuzu code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|When is the Code P0036 Isuzu Detected?

The P0036 is set when the ECM detects an open or shorted to ground condition on the heated oxygen sensor heater circuit

|What are Code P0036 Isuzu Possible Symptoms?

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

|Code P0036 Isuzu Description

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.
OBDII Code P0036 Isuzu - HO2S Heater Control Circuit Sensor 2 -
P0036 Isuzu Code - HO2S Heater Control Circuit Sensor 2

|Need More Information on the P0036 Isuzu Code?

Need more information on how to fix the P0036 Isuzu code? Get Access to Factory Service Manuals

|Need Help with the P0036 Isuzu Code?

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|Code P0036 Isuzu comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0036 Isuzu code? Have you replaced any parts?
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