P0117 2006 Toyota Highlander 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 2006 Toyota Highlander 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.
Code P0117 2006 Toyota Highlander Description
What are the Possible Causes of the DTC P0117 2006 Toyota Highlander?
- 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 Highlander?
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 Highlander 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 Highlander code?
Need more information on how to fix the P0117 2006 Toyota Highlander code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P0117 2006 Toyota Highlander Code
1. What are the common symptoms of OBDII code P0117 in a 2006 Toyota Highlander?
The common symptoms include engine overheating, rough idling, poor fuel economy, and the temperature gauge showing abnormally low readings.
2. What does the OBDII code P0117 "Engine Coolant Temperature Circuit Low Input" mean for a 2006 Toyota Highlander?
This code indicates that the Engine Control Module (ECM) has detected a low input signal from the engine coolant temperature sensor.
3. What are the possible causes of OBDII code P0117 in a 2006 Toyota Highlander?
Common causes include a faulty engine coolant temperature sensor, damaged wiring or connectors in the coolant temperature circuit, low coolant level, or a malfunctioning ECM.
4. How can I diagnose the issue causing OBDII code P0117 in my 2006 Toyota Highlander?
You can use a multimeter to test the engine coolant temperature sensor, inspect the wiring and connectors for any damage, and check the coolant level to diagnose the problem accurately.
5. What are the repair options for resolving OBDII code P0117 in a 2006 Toyota Highlander?
Repair options include replacing the faulty engine coolant temperature sensor, repairing damaged wiring or connectors, ensuring the coolant level is correct, and resetting the ECM after making necessary repairs.
6. Can I continue driving my 2006 Toyota Highlander with OBDII code P0117 present?
It is not recommended to drive the vehicle with this code active, as it can lead to engine overheating, potential damage, and poor performance. It is best to address the issue promptly.
7. How much does it typically cost to repair OBDII code P0117 in a 2006 Toyota Highlander?
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, excluding diagnostic fees.
8. Will resetting the OBDII code P0117 in a 2006 Toyota Highlander make it go away permanently?
Simply resetting the code may temporarily clear the error, but if the underlying issue causing the code is not resolved, it is likely to reappear after some time.
9. Can a DIY enthusiast repair OBDII code P0117 in a 2006 Toyota Highlander?
Yes, some repairs related to this code can be done by DIY enthusiasts, such as replacing the engine coolant temperature sensor or checking and repairing wiring issues. However, complex diagnostic tasks may require professional assistance.
10. How important is it to address OBDII code P0117 promptly in a 2006 Toyota Highlander?
It is crucial to address this code promptly to prevent potential engine damage, overheating, and performance issues. Ignoring the issue can lead to more severe problems down the line.
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