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P2488 Dodge Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5

Quick Answer

The P2488 diagnostic trouble code (DTC) for Dodge vehicles indicates an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 5. Common causes include Faulty EGT Sensor: The most common cause of the P2488 code is a malfunctioning or failed EGT sensor, Wiring or Connector Issues: Damaged wiring or connectors in the EGT sensor circuit can also trigger this code, ECM Malfunction: Issues with the engine control module (ECM) that controls the EGT sensor's operation can lead to the P2488 code. 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
P2488 Dodge indicates Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5.
Common causes
Common causes include Faulty EGT Sensor: The most common cause of the P2488 code is a malfunctioning or failed EGT sensor, Wiring or Connector Issues: Damaged wiring or connectors in the EGT sensor circuit can also trigger this code, ECM Malfunction: Issues with the engine control module (ECM) that controls the EGT sensor's operation can lead to the P2488 code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2488 Dodge Description

The P2488 diagnostic trouble code (DTC) for Dodge vehicles indicates an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 5. This sensor is responsible for monitoring the temperature of the exhaust gas as it exits the engine. The EGT sensor plays a crucial role in optimizing the engine's performance, fuel efficiency, and emissions control system.

OBDII Code P2488 Dodge - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5
P2488 Dodge Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5

Common Causes of P2488 Dodge

  1. Faulty EGT Sensor: The most common cause of the P2488 code is a malfunctioning or failed EGT sensor.
  2. Wiring or Connector Issues: Damaged wiring or connectors in the EGT sensor circuit can also trigger this code.
  3. ECM Malfunction: Issues with the engine control module (ECM) that controls the EGT sensor's operation can lead to the P2488 code.
  4. Exhaust System Leaks: Leaks in the exhaust system can affect the EGT sensor's readings and trigger the code.
  5. Exhaust Gas Recirculation (EGR) System Problems: Issues with the EGR system can also impact the EGT sensor's performance and trigger the code.

Symptoms of P2488 Dodge

  1. Check Engine Light: The most common symptom associated with the P2488 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Power: The vehicle may experience a loss of power or acceleration due to the malfunctioning EGT sensor.
  3. Decreased Fuel Efficiency: A faulty EGT sensor can lead to decreased fuel efficiency as the engine may not be operating optimally.
  4. Rough Idling: The engine may exhibit rough idling or erratic behavior when the EGT sensor is not functioning correctly.
  5. Increased Emissions: The vehicle may produce higher emissions than usual due to the improper monitoring of exhaust gas temperature.

How to Fix P2488 Dodge

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the P2488 code and perform a thorough inspection of the EGT sensor, wiring, connectors, and ECM to identify the root cause of the problem.
  2. Replace the EGT Sensor: If the EGT sensor is found to be faulty, replace it with a new sensor that meets the manufacturer's specifications.
  3. Repair Wiring or Connectors: Repair or replace any damaged wiring or connectors in the EGT sensor circuit to ensure proper operation.
  4. Check and Reset ECM: Check the engine control module (ECM) for any malfunctions or errors related to the EGT sensor and reset if necessary to clear the code.
  5. Test Drive and Monitor: After completing the repairs, test drive the vehicle to ensure that the issue has been resolved and monitor the EGT sensor's performance to verify proper operation.

Cost to Fix P2488 Dodge

The typical repair costs for addressing the P2488 code on a Dodge vehicle can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops commonly charge between $80 and $150 per hour for labor. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to check local rates for a more precise estimate before proceeding with the repairs.

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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 P2488 Dodge Code

1. What does the OBDII code P2488 mean on a Dodge vehicle?

P2488 indicates an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit Range/Performance for Bank 2, Sensor 5, meaning the sensor is reporting values outside its expected parameters.

2. What are the symptoms of code P2488 in a Dodge?

Symptoms may include an illuminated check engine light, poor fuel efficiency, reduced engine performance, or the engine going into limp mode.

3. What causes the P2488 code on a Dodge?

Common causes include a faulty EGT sensor, damaged wiring or connectors, excessive soot buildup on the sensor, or an issue with the engine control module (ECM).

4. How do I locate Bank 2, Sensor 5 in my Dodge vehicle?

Bank 2 refers to the side of the engine opposite cylinder 1, and Sensor 5 is typically one of the downstream exhaust gas temperature sensors located further back in the exhaust system.

5. Can a dirty exhaust system cause the P2488 code?

Yes, excessive soot or carbon buildup on the EGT sensor can affect its performance and trigger the P2488 code.

6. Is it safe to drive with code P2488 on a Dodge vehicle?

It is not recommended to drive for extended periods with this code, as it may lead to increased emissions, reduced engine performance, or potential damage to the exhaust system.

7. How is the P2488 code diagnosed?

A mechanic will use an OBDII scanner to confirm the code, inspect the EGT sensor and its wiring for damage, and test the sensor’s resistance and readings.

8. How do you fix a P2488 code in a Dodge?

Repairs may include replacing the faulty EGT sensor, repairing or replacing damaged wiring or connectors, cleaning soot buildup, or reprogramming/updating the ECM if needed.

9. How much does it cost to fix the P2488 code on a Dodge?

The cost can vary, but replacing an EGT sensor typically ranges from $150 to $300, depending on the vehicle model and labor rates.

10. Can I reset the P2488 code without fixing the issue?

You can clear the code with an OBDII scanner, but if the underlying problem isn’t resolved, the code will likely return.

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