AutoCodes – Toyota – P0117 2006 Toyota Corolla

P0117 2006 Toyota Corolla Code - Engine Coolant Temperature Circuit Low Input 3ZZ-FE Engine

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 2006 Toyota Corolla indicates Engine Coolant Temperature Circuit Low Input 3ZZ-FE Engine.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,742
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0117 2006 Toyota Corolla 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 2006 Toyota Corolla - Engine Coolant Temperature Circuit Low Input 3ZZ-FE Engine - AutoCodes.com
P0117 2006 Toyota Corolla Code - Engine Coolant Temperature Circuit Low Input 3ZZ-FE Engine

What are the Possible Causes of the DTC P0117 2006 Toyota Corolla?

  • 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 2006 Toyota Corolla?

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 P0117 2006 Toyota Corolla 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 2006 Toyota Corolla code?

Need more information on how to fix the P0117 2006 Toyota Corolla code? Get Access to Factory Service Manuals

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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 2006 Toyota Corolla Code

1. What are the common symptoms of OBDII code P0117 on a 2006 Toyota Corolla with the 3ZZ-FE engine?

The common symptoms of code P0117 include inaccurate temperature gauge readings, engine running hotter or colder than usual, poor fuel economy, and potential stalling or rough idling.

2. What are the possible causes of the OBDII code P0117 on a 2006 Toyota Corolla?

Possible causes of code P0117 include a faulty engine coolant temperature (ECT) sensor, damaged wiring or connectors in the ECT circuit, low coolant level, or a malfunctioning ECT sensor circuit.

3. How can I diagnose the OBDII code P0117 on a 2006 Toyota Corolla?

To diagnose code P0117, you can use an OBDII scanner to read the code, visually inspect the ECT sensor and its wiring for any damage, test the ECT sensor with a multimeter, and check the coolant level in the radiator.

4. Can I still drive my 2006 Toyota Corolla with the OBDII code P0117?

It is not recommended to drive your vehicle with code P0117 as it can lead to engine overheating, poor performance, and potential damage. It is best to address the issue promptly.

5. How do I repair OBDII code P0117 on a 2006 Toyota Corolla?

Repairing code P0117 typically involves replacing the faulty engine coolant temperature sensor, repairing any damaged wiring or connectors in the ECT circuit, and ensuring the coolant level is adequate.

6. Is it possible to reset the OBDII code P0117 on a 2006 Toyota Corolla without fixing the underlying issue?

While you can clear the code temporarily with an OBDII scanner, the check engine light will likely reappear if the root cause of code P0117 is not addressed.

7. Can a DIY enthusiast fix OBDII code P0117 on a 2006 Toyota Corolla?

Yes, a DIY enthusiast with the necessary tools and knowledge can typically address code P0117 by following repair guides, replacing the ECT sensor, and checking the wiring connections.

8. What are the long-term effects of ignoring OBDII code P0117 on a 2006 Toyota Corolla?

Ignoring code P0117 can lead to engine overheating, reduced fuel efficiency, potential damage to engine components, and increased emissions. It is advisable to address the issue promptly.

9. How much does it cost to fix OBDII code P0117 on a 2006 Toyota Corolla at a repair shop?

The cost of repairing code P0117 can vary depending on the labor rates and parts prices in your area. Typically, replacing the engine coolant temperature sensor and addressing any wiring issues can cost a few hundred dollars.

10. Can extreme weather conditions trigger OBDII code P0117 on a 2006 Toyota Corolla?

Extreme weather conditions can potentially affect the engine coolant temperature sensor readings, leading to the triggering of code P0117. It is essential to ensure that the sensor and its connections are not compromised by such conditions.

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