AutoCodes – Honda – P1116 2009 Honda Accord

P1116 2009 Honda Accord Code - Engine Coolant Temperature Sensor Performance Problem

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, Engine Coolant Temperature (ECT) sensor harness is open or shorted. 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: P1116 2009 Honda Accord indicates Engine Coolant Temperature Sensor Performance Problem.
Common causes: Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Engine Coolant Temperature (ECT) sensor harness is open or shorted.
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 2,252

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 Apr 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1116 2009 Honda Accord 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 P1116 2009 Honda Accord - Engine Coolant Temperature Sensor Performance Problem - AutoCodes.com — P1116 2009 Honda Accord Code - Engine Coolant Temperature Sensor Performance Problem

What does this mean?

What are the Possible Causes of the DTC P1116 2009 Honda Accord?

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

How to Fix the DTC P1116 2009 Honda Accord?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1116 2009 Honda Accord 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 P1116 2009 Honda Accord code?

Need more information on how to fix the P1116 2009 Honda Accord code? Get Access to Factory Service Manuals

Need Help with the 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 P1116 2009 Honda Accord Code

1. What are the common symptoms of OBDII code P1116 in a 2009 Honda Accord?

The common symptoms of OBDII code P1116 in a 2009 Honda Accord include issues with engine performance, overheating, inaccurate temperature readings on the dashboard, and the check engine light turning on.

2. What could cause the OBDII code P1116 in a 2009 Honda Accord?

The OBDII code P1116 in a 2009 Honda Accord is often caused by a faulty engine coolant temperature sensor, wiring issues, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P1116 in my 2009 Honda Accord?

To diagnose the OBDII code P1116 in a 2009 Honda Accord, you can use an OBDII scanner to retrieve the specific code. You can also check the engine coolant temperature sensor and its wiring for any visible damage.

4. Can I still drive my 2009 Honda Accord with the OBDII code P1116?

It is not recommended to drive your 2009 Honda Accord with the OBDII code P1116, as it can lead to engine overheating and potential damage. It is best to address the issue promptly.

5. What is the repair procedure for OBDII code P1116 in a 2009 Honda Accord?

The repair procedure for OBDII code P1116 in a 2009 Honda Accord typically involves replacing the faulty engine coolant temperature sensor and addressing any wiring issues. It may also require resetting the ECM.

6. How much does it cost to fix the OBDII code P1116 in a 2009 Honda Accord?

The cost to fix the OBDII code P1116 in a 2009 Honda Accord can vary depending on the labor rates and the price of parts. On average, the repair cost can range from $100 to $300.

7. Can a DIY enthusiast fix the OBDII code P1116 in a 2009 Honda Accord?

A DIY enthusiast with the necessary tools and knowledge can attempt to fix the OBDII code P1116 in a 2009 Honda Accord by replacing the engine coolant temperature sensor and checking the wiring for any issues.

8. Will resetting the check engine light resolve the OBDII code P1116 in a 2009 Honda Accord?

Resetting the check engine light may temporarily turn it off, but it will not resolve the underlying issue causing the OBDII code P1116 in a 2009 Honda Accord. It is essential to diagnose and fix the problem to prevent further issues.

9. How long does it take to repair the OBDII code P1116 in a 2009 Honda Accord?

The repair time for the OBDII code P1116 in a 2009 Honda Accord can typically range from 1 to 2 hours, depending on the complexity of the issue and the accessibility of the engine coolant temperature sensor.

10. Is it necessary to clear the OBDII code P1116 after fixing the issue in a 2009 Honda Accord?

After fixing the issue causing the OBDII code P1116 in a 2009 Honda Accord, it is recommended to clear the code using an OBDII scanner to reset the check engine light and ensure that the repair was successful.