Engine-CodesGMC – P0184 2015 GMC Sierra

P0184 2015 GMC Sierra Code - Fuel Temperature Sensor Circuit Erratic

Quick Answer

The P0184 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Fuel Temperature Sensor Circuit being erratic. Common causes include Faulty fuel temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connections. 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
P0184 2015 GMC Sierra indicates Fuel Temperature Sensor Circuit Erratic.
Common causes
Common causes include Faulty fuel temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connections.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P0184 2015 GMC Sierra Description

The P0184 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Fuel Temperature Sensor Circuit being erratic. The fuel temperature sensor is a crucial component in the vehicle's fuel system, as it measures the temperature of the fuel in the tank. This information is used by the engine control module (ECM) to adjust fuel delivery and optimize engine performance. When the sensor circuit is erratic, it means that the ECM is receiving inconsistent or incorrect data from the sensor, which can lead to a variety of issues.

OBDII Code P0184 2015 GMC Sierra - Fuel Temperature Sensor Circuit Erratic
P0184 2015 GMC Sierra Code - Fuel Temperature Sensor Circuit Erratic

Common Causes of P0184 2015 GMC Sierra

  1. Faulty fuel temperature sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or contamination in the sensor connections
  4. ECM software or hardware issues
  5. Electrical interference or short circuits in the sensor circuit

Symptoms of P0184 2015 GMC Sierra

  1. Decreased fuel efficiency
  2. Rough idling or engine misfires
  3. Hesitation or lack of power during acceleration
  4. Engine stalling
  5. Check engine light illuminated

How to Fix P0184 2015 GMC Sierra

  1. Begin by conducting a thorough inspection of the fuel temperature sensor, wiring, and connectors for any visible damage or corrosion.
  2. Use a multimeter to test the resistance of the fuel temperature sensor and compare it to the manufacturer's specifications to determine if it is faulty.
  3. Check the wiring harness for continuity and repair any damaged wires or connectors as needed.
  4. Clear the DTC from the ECM using a scan tool and monitor the sensor's operation to ensure the issue has been resolved.
  5. If the problem persists, consider replacing the fuel temperature sensor or consulting a professional technician for further diagnosis and repair.

Cost to Fix P0184 2015 GMC Sierra

The typical repair costs for addressing a P0184 code on a 2015 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates typically range between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. For a more precise estimate, it is recommended to obtain quotes from local auto repair facilities.

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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.

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