AutoCodes – GMC – P2484 GMC

P2484 GMC Code - Exhaust Gas Temperature Sensor 5 Circuit Intermittent

Quick Answer

The Exhaust Gas Temperature Sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Common causes include Exhaust leaks, Faulty Exhaust Gas Temperature Sensor (EGTS) Sensor 5, Exhaust Gas Temperature Sensor 5 harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P2484 GMC indicates Exhaust Gas Temperature Sensor 5 Circuit Intermittent.
Common causes: Common causes include Exhaust leaks, Faulty Exhaust Gas Temperature Sensor (EGTS) Sensor 5, Exhaust Gas Temperature Sensor 5 harness is open or shorted.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 1,598

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 26, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2484 GMC Description

The Exhaust Gas Temperature Sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. The exhaust temperature sensor 1 is the first exhaust temperature sensor on the exhaust system, the following exhaust temperature sensors are counted upward from the engine outlet to the exhaust system end. The Engine Control Module (ECM) supplies 5 V to the exhaust gas temperature signal circuit and supplies a ground to the low reference circuit. The Exhaust Gas Temperature Sensor temperature information is used by the ECM during the exhaust gas particulate filter cleaning process. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the Exhaust Gas Temperature Sensor resistance has changed greater than a calibrated amount in less than 1 s.

OBDII Code P2484 GMC - Exhaust Gas Temperature Sensor 5 Circuit Intermittent - AutoCodes.com — P2484 GMC Code - Exhaust Gas Temperature Sensor 5 Circuit Intermittent

What does this mean?

What are the Possible Causes of the DTC P2484 GMC?

Exhaust leaks
Faulty Exhaust Gas Temperature Sensor (EGTS) Sensor 5
Exhaust Gas Temperature Sensor 5 harness is open or shorted
Exhaust Gas Temperature Sensor 5 circuit poor electrical connection
Excessive particulate matter buildup on sensor
Faulty Engine Control Module (ECM)

How to Fix the DTC P2484 GMC?

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 P2484 GMC 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 P2484 GMC code?

Need more information on how to fix the P2484 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2484 GMC 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 P2484 GMC Code

1. What are the common symptoms of OBDII code P2484 on a GMC vehicle?

- Common symptoms include reduced engine performance, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What does the OBDII code P2484 GMC indicate about the Exhaust Gas Temperature Sensor 5 Circuit Intermittent?

- This code indicates that there is an intermittent issue with the circuit related to Exhaust Gas Temperature Sensor 5 in the vehicle's exhaust system.

3. What could cause the OBDII code P2484 to appear on a GMC vehicle?

- Possible causes include a faulty Exhaust Gas Temperature Sensor, damaged wiring or connectors, exhaust system leaks, or issues with the engine control module.

4. How can I diagnose the source of the OBDII code P2484 GMC related to the Exhaust Gas Temperature Sensor 5 Circuit Intermittent?

- Diagnostic steps may involve visually inspecting the sensor and its connections, testing the sensor's resistance, checking for exhaust leaks, and using a scan tool to monitor sensor data.

5. Is it safe to continue driving with the OBDII code P2484 illuminated on a GMC vehicle?

- It is generally not recommended to drive with this code present, as it can lead to further engine damage and decreased performance over time.

6. Can I reset the OBDII code P2484 GMC myself, or do I need a professional to do it?

- The code can be cleared with an OBDII scanner, but it is advisable to address the underlying issue causing the code to prevent it from reoccurring.

7. What are some repair tips for resolving the OBDII code P2484 GMC related to the Exhaust Gas Temperature Sensor 5 Circuit Intermittent?

- Repair tips may include replacing the faulty sensor, repairing damaged wiring, fixing exhaust leaks, and ensuring proper connections and mounting of the sensor.

8. How much does it typically cost to repair the OBDII code P2484 GMC on a GMC vehicle?

- Repair costs can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or addressing other underlying problems in the exhaust system.

9. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code P2484 GMC issue themselves?

- Depending on the specific cause of the code, some DIY enthusiasts may be able to address the issue themselves by following repair guides and using appropriate tools.

10. How urgent is it to address the OBDII code P2484 GMC related to the Exhaust Gas Temperature Sensor 5 Circuit Intermittent?

- While the vehicle may still be operable with this code present, it is advisable to address the issue promptly to prevent potential damage to the engine or catalytic converter.