P0118 2015 Toyota RAV4 Code - Engine Coolant Temperature Circuit High Input
Quick Answer
The engine coolant temperature sensor is used to monitor the engine coolant temperature. Common causes include Low engine coolant level, Faulty Engine Coolant Thermostat, Faulty Engine Coolant Temperature (ECT) sensor. 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
- P0118 2015 Toyota RAV4 indicates Engine Coolant Temperature Circuit High Input.
- Common causes
- Common causes include Low engine coolant level, Faulty Engine Coolant Thermostat, Faulty Engine Coolant Temperature (ECT) sensor.
- 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 P0118 2015 Toyota RAV4 Description
What are the Possible Causes of the DTC P0118 2015 Toyota RAV4?
- Low engine coolant level
- Faulty Engine Coolant Thermostat
- Faulty Engine Coolant Temperature (ECT) sensor
- Engine Coolant Temperature sensor harness is open or shorted
- Engine Coolant Temperature sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0118 2015 Toyota RAV4?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0118 2015 Toyota RAV4 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.
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Frequently Asked Questions about P0118 2015 Toyota RAV4 Code
What does the OBDII code P0118 mean for a 2015 Toyota RAV4?
P0118 indicates a high input issue in the engine coolant temperature (ECT) sensor circuit, meaning the sensor is reading an abnormally high voltage, often signaling a fault.
What are the symptoms of code P0118 in a 2015 Toyota RAV4?
Common symptoms include the check engine light turning on, poor fuel economy, rough idling, difficulty starting, or the engine running hotter or cooler than normal.
What causes code P0118 on a 2015 Toyota RAV4?
Possible causes include a faulty ECT sensor, damaged wiring or connectors, a short circuit, or issues with the engine control module (ECM).
How do you diagnose code P0118 on a 2015 Toyota RAV4?
Diagnosis involves using an OBDII scanner, inspecting the ECT sensor and wiring for damage, testing the sensor’s resistance, and checking for continuity in the circuit.
Can I drive my 2015 Toyota RAV4 with code P0118?
Driving with code P0118 is not recommended as it can lead to engine overheating or poor performance, potentially causing further damage.
How do you fix code P0118 on a 2015 Toyota RAV4?
Repairs may include replacing the ECT sensor, repairing or replacing damaged wiring or connectors, or addressing issues with the ECM.
How much does it cost to fix code P0118 on a 2015 Toyota RAV4?
Depending on the cause, repairs can cost between $100 and $300, with ECT sensor replacement typically being the most common fix.
Can a bad ECT sensor affect fuel economy?
Yes, a faulty ECT sensor can cause incorrect temperature readings, leading to improper fuel mixture and reduced fuel efficiency.
What tools are needed to diagnose and repair code P0118?
You’ll need an OBDII scanner, a multimeter, and basic hand tools for inspecting and replacing the ECT sensor or repairing wiring.
Will clearing the code P0118 solve the problem permanently?
Clearing the code will remove it temporarily, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P0118 2015 Toyota RAV4 OBDII Code
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