P0184 GMC Code - Fuel Temperature Sensor Circuit Erratic
Quick Answer
The Fuel Temperature Sensor is a thermistor that is located in the fuel filter assembly. Common causes include Faulty Fuel Heater/Water in Fuel Sensor, Fuel Heater/Water in Fuel Sensor harness is open or shorted, Fuel Heater/Water in Fuel 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
- P0184 GMC indicates Fuel Temperature Sensor Circuit Erratic.
- Common causes
- Common causes include Faulty Fuel Heater/Water in Fuel Sensor, Fuel Heater/Water in Fuel Sensor harness is open or shorted, Fuel Heater/Water in Fuel 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.
Code P0184 GMC Description
What are the Possible Causes of the DTC P0184 GMC?
- Faulty Fuel Heater/Water in Fuel Sensor
- Fuel Heater/Water in Fuel Sensor harness is open or shorted
- Fuel Heater/Water in Fuel Sensor circuit poor electrical connection
- Faulty Fuel Pump Driver Control Module
How to Fix the DTC P0184 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 P0184 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 P0184 GMC code?
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Information for Specific GMC Models
- P0184 2014 GMC Sierra — Fuel Temperature Sensor Circuit Erratic
- P0184 2015 GMC Sierra — Fuel Temperature Sensor Circuit Erratic
- P0184 2016 GMC Sierra — Fuel Temperature Sensor Circuit Erratic
- P0184 2017 GMC Sierra — Fuel Temperature Sensor Circuit Erratic
- P0184 2018 GMC Sierra — Fuel Temperature Sensor Circuit Erratic
Frequently Asked Questions about P0184 GMC Code
1. What does the OBDII code P0184 mean on a GMC vehicle?
P0184 indicates that the fuel temperature sensor circuit is showing erratic signals, meaning the sensor readings are inconsistent or outside the expected range.
2. What are the common symptoms of code P0184 in a GMC?
Symptoms may include poor fuel efficiency, rough idling, difficulty starting, an illuminated check engine light, and possibly reduced engine performance.
3. What causes the P0184 code to appear on a GMC?
Common causes include a faulty fuel temperature sensor, damaged wiring or connectors in the fuel temperature sensor circuit, or issues with the engine control module (ECM).
4. Can I drive my GMC with the P0184 code?
Driving with this code is possible in the short term, but it can lead to poor fuel economy and potential engine performance issues if not addressed.
5. How is the P0184 code diagnosed on a GMC?
A mechanic will use a scan tool to confirm the code, inspect the fuel temperature sensor and its wiring, and test the sensor's resistance and voltage output.
6. How do I fix the P0184 code on my GMC?
Repairs may include replacing the fuel temperature sensor, repairing or replacing damaged wiring or connectors, or in rare cases, reprogramming or replacing the ECM.
7. How much does it cost to fix the P0184 code on a GMC vehicle?
Repair costs vary but typically range from $100 to $300 depending on whether the sensor, wiring, or ECM needs replacement or repair.
8. Can a dirty fuel system trigger the P0184 code in a GMC?
While unlikely, a severely contaminated fuel system could potentially affect sensor readings indirectly. The main issue is usually sensor-related.
9. Is the P0184 code specific to GMC vehicles?
No, the P0184 code is a generic OBDII code applicable to all vehicles, but the diagnosis and repair steps may vary slightly depending on the make and model.
10. Will clearing the P0184 code fix the issue on my GMC?
Clearing the code may temporarily turn off the check engine light, but if the underlying problem isn’t resolved, the code will likely return.
Discuss the causes and fixes for P0184 GMC OBDII Code
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