P1116 2005 Toyota Prius Code - Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System
Quick Answer
The coolant heat storage (CHS) tank outlet temperature sensor is used for monitoring coolant temperature in the vicinity of the outlet port of the heat storage tank of the CHS system. 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
- P1116 2005 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 P1116 2005 Toyota Prius Description
What are the Possible Causes of the DTC P1116 2005 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 P1116 2005 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 P1116 2005 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 P1116 2005 Toyota Prius code?
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Frequently Asked Questions about P1116 2005 Toyota Prius Code
1. What are the common symptoms of OBDII code P1116 on a 2005 Toyota Prius?
- Common symptoms include the Check Engine light coming on, poor fuel economy, engine overheating, and rough idling.
2. What does the OBDII code P1116 indicate for a 2005 Toyota Prius?
- This code indicates an issue with the Coolant Temperature Sensor Circuit Stack for the Coolant Heat Storage System.
3. What are the possible causes of OBDII code P1116 on a 2005 Toyota Prius?
- Possible causes include a faulty coolant temperature sensor, damaged wiring or connectors, a malfunctioning cooling system, or a problem with the engine control module.
4. How can I diagnose the OBDII code P1116 on my 2005 Toyota Prius?
- Diagnosing this code typically involves using a scan tool to retrieve the code, checking the coolant temperature sensor and its circuit for any faults, and inspecting the cooling system components.
5. Can I still drive my 2005 Toyota Prius with OBDII code P1116?
- It is not recommended to drive your Prius with this code as it can lead to engine overheating and potential damage. It is best to address the issue promptly.
6. How can I repair OBDII code P1116 on my 2005 Toyota Prius?
- Repairing this code may involve replacing the coolant temperature sensor, repairing any damaged wiring or connectors, ensuring the cooling system is functioning correctly, and clearing the code with a scan tool.
7. Is it safe to reset the OBDII code P1116 on a 2005 Toyota Prius?
- While you can reset the code with a scan tool, it is important to address the underlying issue causing the code before doing so to prevent potential engine damage.
8. Can a DIY enthusiast fix OBDII code P1116 on a 2005 Toyota Prius?
- Depending on your skill level and access to tools, you may be able to address this code yourself by following repair guides or seeking assistance from online forums.
9. How much does it cost to repair OBDII code P1116 on a 2005 Toyota Prius at a mechanic?
- The cost of repairing this code can vary depending on the cause of the issue, but it may range from $100 to $300 at a mechanic's shop.
10. How often does OBDII code P1116 occur in a 2005 Toyota Prius?
- The occurrence of this code can vary, but it is not a common issue in the 2005 Toyota Prius. If you encounter this code, it is important to address it promptly to avoid potential engine problems.
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