AutoCodes – Nissan – P0117 2005 Nissan Pathfinder

P0117 2005 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

Quick Answer

The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0117 2005 Nissan Pathfinder indicates Engine Coolant Temperature Circuit Low.
Common causes: Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,492

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0117 2005 Nissan Pathfinder Description

The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.

OBDII Code P0117 2005 Nissan Pathfinder - Engine Coolant Temperature Circuit Low - AutoCodes.com — P0117 2005 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0117 2005 Nissan Pathfinder?

Low engine coolant level
Faulty Engine Coolant Temperature (ECT) sensor
Faulty engine coolant thermostat
Engine Coolant Temperature (ECT) sensor harness is open or shorted
Engine Coolant Temperature (ECT) sensor circuit poor electrical connection

How to Fix the DTC P0117 2005 Nissan Pathfinder?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

If the coolant level is low, add coolant and reset the code. If the car is overheating the thermostat may have to be replaced. If the problem continues the engine coolant temperature (ECT) sensor.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0117 2005 Nissan Pathfinder code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0117 2005 Nissan Pathfinder code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0117 2005 Nissan Pathfinder Code

1. What are common symptoms of OBDII code P0117 on a 2005 Nissan Pathfinder?

- Common symptoms include a decrease in fuel efficiency, rough idling, engine overheating, and the temperature gauge reading inaccurately.

2. What causes the OBDII code P0117 to trigger in a 2005 Nissan Pathfinder?

- The code is triggered when the Engine Control Module (ECM) detects that the engine coolant temperature sensor signal is lower than the expected range.

3. How can I diagnose the Engine Coolant Temperature Circuit Low issue on my 2005 Nissan Pathfinder?

- You can diagnose the issue by checking the engine coolant level, visually inspecting the coolant temperature sensor and its wiring, and using a multimeter to test the sensor's resistance.

4. Can a faulty thermostat cause the OBDII code P0117 to appear on a 2005 Nissan Pathfinder?

- Yes, a faulty thermostat can cause the engine coolant temperature to stay low, triggering the P0117 code. It is recommended to check and replace the thermostat if necessary.

5. What are some repair tips for addressing the Engine Coolant Temperature Circuit Low problem on a 2005 Nissan Pathfinder?

- Repair tips include checking and replacing the coolant temperature sensor, ensuring proper wiring connections, verifying coolant levels, and testing the thermostat for proper operation.

6. Is it safe to continue driving my 2005 Nissan Pathfinder with the P0117 OBDII code?

- It is not recommended to continue driving the vehicle with the P0117 code active, as it can lead to engine overheating and potential damage. It is best to address the issue promptly.

7. Can a dirty or corroded coolant temperature sensor connector cause the P0117 code?

- Yes, a dirty or corroded coolant temperature sensor connector can disrupt the sensor's signal, leading to the triggering of the P0117 code. Cleaning or replacing the connector may resolve the issue.

8. Will resetting the OBDII code P0117 on a 2005 Nissan Pathfinder make it go away permanently?

- Simply resetting the code may temporarily clear the check engine light, but if the underlying issue causing the P0117 code is not fixed, it is likely to reappear after driving cycles.

9. How much does it typically cost to repair the Engine Coolant Temperature Circuit Low problem on a 2005 Nissan Pathfinder?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, including sensor replacement or wiring repairs.

10. Can a DIY enthusiast fix the OBDII code P0117 issue on a 2005 Nissan Pathfinder?

- A DIY enthusiast with the necessary tools and knowledge of automotive repairs may be able to address the P0117 code by following diagnostic steps, replacing the coolant temperature sensor, and ensuring proper wiring connections.