AutoCodes – Toyota – P0117 2008 Toyota Camry

P0117 2008 Toyota Camry Code - Engine Coolant Temperature Circuit Low Input

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 2008 Toyota Camry indicates Engine Coolant Temperature Circuit Low Input.
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 10,079
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 2008 Toyota Camry 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 2008 Toyota Camry - Engine Coolant Temperature Circuit Low Input - AutoCodes.com
P0117 2008 Toyota Camry Code - Engine Coolant Temperature Circuit Low Input

What are the Possible Causes of the DTC P0117 2008 Toyota Camry?

  • 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 2008 Toyota Camry?

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 2008 Toyota Camry 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 2008 Toyota Camry code?

Need more information on how to fix the P0117 2008 Toyota Camry 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 2008 Toyota Camry Code

1. What are the common symptoms of OBDII code P0117 in a 2008 Toyota Camry?

The common symptoms of code P0117 in a 2008 Toyota Camry include issues with the engine coolant temperature gauge, poor fuel economy, engine overheating, and possibly a check engine light illuminated on the dashboard.

2. What causes the OBDII code P0117 in a 2008 Toyota Camry?

The most common cause of code P0117 in a 2008 Toyota Camry is a faulty engine coolant temperature (ECT) sensor. Other possible causes include wiring issues, a malfunctioning thermostat, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P0117 in my 2008 Toyota Camry?

To diagnose code P0117, you can use an OBDII scanner to retrieve the trouble code and then inspect the ECT sensor and its wiring for any visible damage or corrosion. You can also perform a resistance test on the ECT sensor to determine if it is faulty.

4. Can I drive my 2008 Toyota Camry with OBDII code P0117?

While it is possible to drive your 2008 Toyota Camry with code P0117, it is not recommended. Driving with a faulty ECT sensor can lead to engine overheating, which can cause serious damage to the engine. It is advisable to address the issue promptly.

5. How do I repair OBDII code P0117 in a 2008 Toyota Camry?

To repair code P0117 in a 2008 Toyota Camry, you will likely need to replace the engine coolant temperature sensor. Ensure the new sensor is compatible with your vehicle and follow proper installation procedures. Clear the trouble code after the repair.

6. Are there any DIY tips for fixing OBDII code P0117 in my 2008 Toyota Camry?

If you are experienced with automotive repairs, you can attempt to replace the ECT sensor yourself. Make sure to disconnect the battery before starting, use the appropriate tools, and follow a repair manual or online guide for reference.

7. Will resetting the check engine light resolve OBDII code P0117 in my 2008 Toyota Camry?

Simply resetting the check engine light will not fix the underlying issue causing code P0117 in your 2008 Toyota Camry. You need to diagnose the problem, address the root cause, and clear the trouble code using an OBDII scanner.

8. Can a malfunctioning thermostat trigger OBDII code P0117 in a 2008 Toyota Camry?

Yes, a malfunctioning thermostat can potentially trigger code P0117 in a 2008 Toyota Camry. If the thermostat is stuck open or closed, it can affect the engine coolant temperature readings and lead to a low input signal detected by the ECM.

9. How important is it to address OBDII code P0117 promptly in a 2008 Toyota Camry?

It is crucial to address code P0117 promptly in a 2008 Toyota Camry to prevent engine damage and ensure optimal performance. Ignoring this code can lead to overheating, reduced fuel efficiency, and other potential issues that may escalate over time.

10. Can a bad engine control module (ECM) cause OBDII code P0117 in a 2008 Toyota Camry?

While less common, a faulty ECM can contribute to triggering code P0117 in a 2008 Toyota Camry. It is advisable to rule out other possible causes, such as a defective ECT sensor or wiring issues, before considering the ECM as the culprit.

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