P00F4 2018 GMC Sierra Code - Intake Air Humidity Sensor Circuit Low Voltage
Quick Answer
The Intake Air Humidity Sensor measures the ambient humidity of the air in the sensor bore. Common causes include Faulty Intake Air Humidity Sensor, Intake Air Humidity Sensor harness is open or shorted, Intake Air Humidity 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
- P00F4 2018 GMC Sierra indicates Intake Air Humidity Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty Intake Air Humidity Sensor, Intake Air Humidity Sensor harness is open or shorted, Intake Air Humidity 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 P00F4 2018 GMC Sierra Description
What are the Possible Causes of the DTC P00F4 2018 GMC Sierra?
- Faulty Intake Air Humidity Sensor
- Intake Air Humidity Sensor harness is open or shorted
- Intake Air Humidity Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P00F4 2018 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P00F4 2018 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.
Need more information about the P00F4 2018 GMC Sierra code?
Need more information on how to fix the P00F4 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P00F4 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P00F4 2018 GMC Sierra Code
1. What are common symptoms of OBDII code P00F4 in a 2018 GMC Sierra related to the Intake Air Humidity Sensor Circuit Low Voltage?
- Common symptoms include poor engine performance, decreased fuel efficiency, and potential stalling or rough idling.
2. What are the possible causes of the Intake Air Humidity Sensor Circuit Low Voltage code (P00F4) in a 2018 GMC Sierra?
- Possible causes include a faulty intake air humidity sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module (ECM).
3. How can I diagnose the issue causing OBDII code P00F4 in my 2018 GMC Sierra?
- To diagnose the issue, you can use an OBDII scanner to read the trouble code, visually inspect the sensor and its wiring for any damage, and perform tests to check the sensor's functionality.
4. Can a dirty air filter cause the Intake Air Humidity Sensor Circuit Low Voltage code (P00F4) in a 2018 GMC Sierra?
- While a dirty air filter can affect engine performance, it is unlikely to directly cause the P00F4 code. However, it is still good practice to ensure the air filter is clean and functioning properly.
5. What are the repair options for fixing OBDII code P00F4 related to the Intake Air Humidity Sensor Circuit Low Voltage in a 2018 GMC Sierra?
- Repair options may include replacing the intake air humidity sensor, repairing or replacing damaged wiring or connectors, or reprogramming the ECM if needed.
6. Can I continue driving my 2018 GMC Sierra with the P00F4 code related to the Intake Air Humidity Sensor Circuit Low Voltage?
- It is not recommended to ignore the P00F4 code, as it can lead to further engine issues and potential damage. It's best to address the problem promptly to avoid more severe consequences.
7. How much does it typically cost to repair the Intake Air Humidity Sensor Circuit Low Voltage issue causing OBDII code P00F4 in a 2018 GMC Sierra?
- The cost of repair can vary depending on the exact cause of the issue and whether you choose to do the repair yourself or take it to a professional mechanic. Costs may range from a few hundred to over a thousand dollars.
8. Is it possible to reset the OBDII code P00F4 related to the Intake Air Humidity Sensor Circuit Low Voltage in a 2018 GMC Sierra?
- While you can clear the code with an OBDII scanner, simply resetting it without addressing the underlying issue will likely result in the code reappearing once the problem persists.
9. Can extreme weather conditions affect the Intake Air Humidity Sensor Circuit and trigger the P00F4 code in a 2018 GMC Sierra?
- Extreme weather conditions, such as high humidity levels or temperature changes, can potentially affect sensor readings and trigger the P00F4 code. Ensure the sensor is well-protected and functioning correctly in such conditions.
10. Are there any preventative maintenance tips to avoid encountering the Intake Air Humidity Sensor Circuit Low Voltage code (P00F4) in a 2018 GMC Sierra?
- Regularly inspecting and maintaining the intake air humidity sensor, as well as checking the sensor circuit for any signs of wear or damage, can help prevent issues that may trigger the P00F4 trouble code.
Discuss the causes and fixes for P00F4 2018 GMC Sierra OBDII Code
Code P00F4 2018 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
