AutoCodes – KIA – P1455

P1455 Code - Exhaust Gas Temperature Sensor 1 Range/Performance

Quick Answer

The Engine Control Module (ECM) monitors the Exhaust Gas Temperature Senso. Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection. 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: P1455 indicates Exhaust Gas Temperature Sensor 1 Range/Performance.
Common causes: Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection.
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.

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Code Popularity 36,437

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 26, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1455 Description

The Engine Control Module (ECM) monitors the Exhaust Gas Temperature Senso. The ECM sets the Diagnostic Trouble Code (DTC) when the Exhaust Gas Temperature Senso is not to factory specifications.

OBDII Code P1455 - Exhaust Gas Temperature Sensor 1 Range/Performance - AutoCodes.com — P1455 Code - Exhaust Gas Temperature Sensor 1 Range/Performance

What does this mean?

What are the Possible Causes of the DTC P1455?

Faulty Exhaust Gas Temperature Sensor
Exhaust Gas Temperature Sensor harness is open or shorted
Exhaust Gas Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1455?

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 P1455 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 P1455 code?

Need more information on how to fix the P1455 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1455 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1455 Code

1. What are the common symptoms of OBDII code P1455 (Exhaust Gas Temperature Sensor 1 Range/Performance)?

The common symptoms of P1455 may include reduced engine performance, decreased fuel efficiency, rough idling, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P1455?

Potential causes of P1455 can include a faulty exhaust gas temperature sensor, wiring issues, a damaged sensor connector, or problems with the sensor circuit.

3. How can I diagnose OBDII code P1455?

To diagnose P1455, you can use an OBDII scanner to retrieve the code, visually inspect the sensor and its wiring for any damage, and perform electrical tests to check the sensor's functionality.

4. Can I still drive my vehicle with OBDII code P1455?

It is not recommended to drive your vehicle with an unresolved P1455 code, as it can lead to further damage to the engine or emissions system. It is best to address the issue promptly.

5. How do I repair OBDII code P1455?

Repairing P1455 typically involves replacing the faulty exhaust gas temperature sensor, repairing any damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

6. Will OBDII code P1455 cause my vehicle to fail an emissions test?

Yes, in most cases, a vehicle with an unresolved P1455 code will fail an emissions test due to improper exhaust gas temperature sensor performance affecting emissions control.

7. Can a DIY enthusiast fix OBDII code P1455?

Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to replace the exhaust gas temperature sensor and address simple wiring issues related to P1455.

8. How much does it cost to repair OBDII code P1455 at a mechanic?

The cost of repairing P1455 at a mechanic can vary depending on the exact cause of the issue, but it may range from $200 to $500, including parts and labor.

9. Are there any preventive maintenance tips to avoid OBDII code P1455?

To help prevent OBDII code P1455, it is advisable to follow the manufacturer's recommended maintenance schedule, regularly inspect sensors and wiring, and address any engine performance issues promptly.

10. Will resetting the OBDII code P1455 on my own solve the problem?

Simply resetting the P1455 code without addressing the underlying issue, such as a faulty sensor or wiring problem, is unlikely to solve the problem in the long term. It is essential to diagnose and repair the root cause of the code.