P1117 2006 Toyota Prius Code - Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System
Quick Answer
This system uses an electric pump to supply hot coolant stored in the coolant heat storage tank into the cylinder head of the engine, in order to optimize engine starting combustion and reduce the amount of unburned gas that is discharged while the engine is started. Common causes include Coolant Heat Storage Tank, Faulty Engine Coolant Temperature (ECT) sensor for CHS (Coolant Heat Storage), Low engine coolant level. 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
- P1117 2006 Toyota Prius indicates Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System.
- Common causes
- Common causes include Coolant Heat Storage Tank, Faulty Engine Coolant Temperature (ECT) sensor for CHS (Coolant Heat Storage), Low engine coolant level.
- 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 P1117 2006 Toyota Prius Description
What are the Possible Causes of the DTC P1117 2006 Toyota Prius?
- Coolant Heat Storage Tank
- Faulty Engine Coolant Temperature (ECT) sensor for CHS (Coolant Heat Storage)
- Low engine coolant level
- Engine Coolant Temperature (ECT) sensor for HST harness is open or shorted
- Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection
- Faulty engine coolant thermostat
How to Fix the DTC P1117 2006 Toyota Prius?
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 P1117 2006 Toyota Prius 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 P1117 2006 Toyota Prius code?
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Frequently Asked Questions about P1117 2006 Toyota Prius Code
1. What are the common symptoms of OBDII code P1117 in a 2006 Toyota Prius?
The common symptoms of P1117 in a 2006 Toyota Prius include engine overheating, poor fuel economy, rough idling, and potential issues with the cooling system.
2. What can cause the OBDII code P1117 to trigger in a 2006 Toyota Prius?
The P1117 code in a 2006 Toyota Prius is usually triggered by a malfunction in the coolant temperature sensor circuit for the coolant heat storage system. This can be caused by a faulty coolant temperature sensor, wiring issues, or a problem with the cooling system.
3. How can I diagnose the OBDII code P1117 in my 2006 Toyota Prius?
Diagnosing the P1117 code in a 2006 Toyota Prius involves using an OBDII scanner to retrieve the code, checking the coolant temperature sensor and its circuit for any faults, inspecting the wiring for damage, and ensuring the cooling system is working properly.
4. Is it safe to drive my 2006 Toyota Prius with the OBDII code P1117?
It is not recommended to drive your 2006 Toyota Prius with the P1117 code present, as it can lead to engine overheating and potential damage to the cooling system. It is best to address the issue promptly.
5. How can I repair the OBDII code P1117 in my 2006 Toyota Prius?
To repair the P1117 code in a 2006 Toyota Prius, you may need to replace the coolant temperature sensor, repair any damaged wiring, and ensure the cooling system is functioning correctly. It is recommended to consult a professional mechanic for proper diagnosis and repair.
6. Can a DIY enthusiast fix the OBDII code P1117 in a 2006 Toyota Prius?
While some DIY enthusiasts may be able to diagnose and repair the P1117 code in a 2006 Toyota Prius, it is recommended to seek professional help for accurate diagnosis and proper repair to ensure the issue is resolved effectively.
7. How much does it cost to repair the OBDII code P1117 in a 2006 Toyota Prius?
The cost of repairing the P1117 code in a 2006 Toyota Prius can vary depending on the underlying cause of the issue, the cost of parts, and labor rates. It is advisable to obtain quotes from different repair shops for an accurate estimate.
8. Will resetting the OBDII code P1117 in my 2006 Toyota Prius make the issue go away?
Resetting the P1117 code in a 2006 Toyota Prius may temporarily clear the warning light, but it will not fix the underlying issue causing the code to trigger. It is important to diagnose and repair the root cause of the problem.
9. Can a faulty coolant temperature sensor cause other problems besides triggering the OBDII code P1117 in a 2006 Toyota Prius?
Yes, a faulty coolant temperature sensor in a 2006 Toyota Prius can cause other issues such as inaccurate temperature readings, poor engine performance, and potential damage to the cooling system if left unresolved.
10. How often should the coolant temperature sensor be replaced in a 2006 Toyota Prius to prevent the OBDII code P1117 from recurring?
The coolant temperature sensor in a 2006 Toyota Prius should be replaced as part of regular maintenance or whenever it shows signs of malfunction to prevent the recurrence of the P1117 code and ensure proper engine performance.
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