P0453 2014 GMC Sierra Code - Fuel Tank Pressure Sensor Circuit High Voltage
Quick Answer
The fuel tank pressure sensor measures vapor pressure or vacuum in the Evaporative Emission (EVAP) system. Common causes include Faulty Fuel Tank Pressure (FTP) Sensor, Fuel Tank Pressure Sensor harness is open or shorted, Fuel Tank Pressure 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
- P0453 2014 GMC Sierra indicates Fuel Tank Pressure Sensor Circuit High Voltage .
- Common causes
- Common causes include Faulty Fuel Tank Pressure (FTP) Sensor, Fuel Tank Pressure Sensor harness is open or shorted, Fuel Tank Pressure 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 P0453 2014 GMC Sierra Description
What are the Possible Causes of the DTC P0453 2014 GMC Sierra?
- Faulty Fuel Tank Pressure (FTP) Sensor
- Fuel Tank Pressure Sensor harness is open or shorted
- Fuel Tank Pressure Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0453 2014 GMC Sierra?
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 P0453 2014 GMC Sierra 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.
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Frequently Asked Questions about P0453 2014 GMC Sierra Code
1. What does the OBDII code P0453 mean on a 2014 GMC Sierra?
P0453 indicates that the fuel tank pressure (FTP) sensor circuit is reading a voltage higher than expected, suggesting an issue with the sensor or related components.
2. What are the common symptoms of code P0453 on a 2014 GMC Sierra?
Common symptoms include an illuminated check engine light, reduced fuel efficiency, difficulty refueling, or the EVAP system failing readiness tests during emissions testing.
3. What causes code P0453 on a 2014 GMC Sierra?
Possible causes include a faulty fuel tank pressure sensor, damaged or corroded wiring, a poor electrical connection, or a problem with the EVAP system components.
4. Can I drive my 2014 GMC Sierra with a P0453 code?
Yes, you can likely drive the vehicle, but ignoring the issue may result in decreased fuel efficiency and potential emissions problems. It’s best to address the code promptly.
5. How do I diagnose code P0453 on a 2014 GMC Sierra?
Start by inspecting the fuel tank pressure sensor and its wiring for damage or corrosion. Use a multimeter to check sensor voltage and scan for additional EVAP system codes.
6. How do I fix the P0453 code on a 2014 GMC Sierra?
Repairs may include replacing a faulty fuel tank pressure sensor, repairing or replacing damaged wiring, or cleaning corroded connectors in the circuit.
7. How much does it cost to fix a P0453 code on a 2014 GMC Sierra?
The cost depends on the underlying issue. Replacing the fuel tank pressure sensor can range from $100 to $300, including parts and labor.
8. Can a loose gas cap cause the P0453 code on a 2014 GMC Sierra?
No, a loose gas cap typically triggers codes like P0455 or P0457, not P0453. However, inspecting the gas cap is still a good practice when diagnosing EVAP-related issues.
9. What tools are needed to fix a P0453 code on a 2014 GMC Sierra?
You’ll need an OBDII scanner, a multimeter, and basic hand tools for inspecting and repairing the fuel tank pressure sensor and its wiring.
10. Will clearing the P0453 code fix the problem on a 2014 GMC Sierra?
Clearing the code will turn off the check engine light temporarily, but the issue will reappear if the underlying problem isn’t resolved.
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