P0514 Code - Temperature Sensor Rationality
Quick Answer
The P0514 diagnostic trouble code (DTC) refers to a Temperature Sensor Rationality issue, which means that the engine control module (ECM) has detected a discrepancy in the temperature readings provided by the various sensors in the vehicle. Common causes include Faulty Temperature Sensor: The most common cause of the P0514 code is a malfunctioning temperature sensor, Wiring Issues: Corroded or damaged wiring connecting the temperature sensor to the ECM can also trigger this code, ECM Malfunction: A malfunctioning ECM can misinterpret temperature sensor data, leading to the P0514 code. 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
- P0514 indicates Temperature Sensor Rationality.
- Common causes
- Common causes include Faulty Temperature Sensor: The most common cause of the P0514 code is a malfunctioning temperature sensor, Wiring Issues: Corroded or damaged wiring connecting the temperature sensor to the ECM can also trigger this code, ECM Malfunction: A malfunctioning ECM can misinterpret temperature sensor data, leading to the P0514 code.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0514 Description
The P0514 diagnostic trouble code (DTC) refers to a Temperature Sensor Rationality issue, which means that the engine control module (ECM) has detected a discrepancy in the temperature readings provided by the various sensors in the vehicle. This discrepancy can lead to incorrect fuel delivery, timing adjustments, and other critical engine functions, potentially causing poor performance, reduced fuel efficiency, and increased emissions. The temperature sensors play a crucial role in ensuring that the engine operates within the optimal temperature range for efficient combustion and overall performance.
Common Causes of P0514
- Faulty Temperature Sensor: The most common cause of the P0514 code is a malfunctioning temperature sensor.
- Wiring Issues: Corroded or damaged wiring connecting the temperature sensor to the ECM can also trigger this code.
- ECM Malfunction: A malfunctioning ECM can misinterpret temperature sensor data, leading to the P0514 code.
- Coolant Leaks: Low coolant levels or leaks in the cooling system can affect temperature sensor readings.
- Overheating Issues: Engine overheating can also cause the temperature sensor to provide inaccurate readings.
Symptoms of P0514
- Check Engine Light: The most common symptom associated with the P0514 code is the illumination of the check engine light on the dashboard.
- Engine Overheating: Inaccurate temperature sensor readings may lead to engine overheating, which can result in engine damage if not addressed promptly.
- Poor Fuel Efficiency: Incorrect temperature readings can cause the engine to run rich or lean, leading to decreased fuel efficiency.
- Rough Idle: A faulty temperature sensor can also cause the engine to idle roughly or inconsistently.
- Engine Stalling: In severe cases, the engine may stall due to incorrect temperature sensor readings affecting critical engine functions.
How to Fix P0514
- Diagnose the Issue: Use a scan tool to retrieve the DTC and perform further diagnostics to identify the specific cause of the temperature sensor rationality issue.
- Inspect Wiring and Connections: Check the wiring harness and connections for any signs of damage, corrosion, or loose connections.
- Test Temperature Sensor: Test the temperature sensor using a multimeter to ensure it is functioning properly.
- Replace Faulty Components: Replace any faulty temperature sensors, wiring, or ECM components that are causing the issue.
- Clear DTCs and Test Drive: Clear the DTC from the ECM memory, and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P0514
The cost of repairing a P0514 code can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the cost of parts for replacing a temperature sensor or wiring harness can range from $50 to $200, while labor costs can add another $100 to $200. Overall, the total repair cost for addressing a Temperature Sensor Rationality issue typically falls within the range of $150 to $400. It's important to note that labor rates and parts prices can vary significantly based on location, shop rates, and other factors, so it's advisable to consult with a professional technician for a more accurate estimate.
Need more information about the P0514 code?
Need more information on how to fix the P0514 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0514 code diagnosed by a professional: Find a repair shop in your area
Code P0514 Information for Specific Makes
- P0514 Chrysler — Temperature Sensor Rationality
- P0514 Dodge — Temperature Sensor Rationality
- P0514 Jeep — Temperature Sensor Rationality
Frequently Asked Questions about P0514 Code
No Frequently Asked Questions about P0514 Code found.
Discuss the causes and fixes for P0514 OBDII Code
Code P0514 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.