P0114 2014 GMC Sierra Code - Intake Air Temperature Circuit Intermittent
Quick Answer
The intake air temperature (IAT) sensor 1 is a variable resistor that measures the temperature of the air in the sensor bore. Common causes include Dirty air filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted. 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
- P0114 2014 GMC Sierra indicates Intake Air Temperature Circuit Intermittent.
- Common causes
- Common causes include Dirty air filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted.
- 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 P0114 2014 GMC Sierra Description
What are the Possible Causes of the DTC P0114 2014 GMC Sierra?
- Dirty air filter
- Faulty Intake Air Temperature (IAT) Sensor
- Intake Air Temperature Sensor harness is open or shorted
- Intake Air Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0114 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 P0114 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 P0114 2014 GMC Sierra Code
1. What does the OBDII code P0114 mean on a 2014 GMC Sierra?
P0114 indicates an intermittent issue in the Intake Air Temperature (IAT) sensor circuit, meaning the sensor signal is not stable or consistent.
2. What are the symptoms of code P0114 in a 2014 GMC Sierra?
Symptoms may include rough idling, reduced engine performance, poor fuel economy, difficulty starting, or an illuminated check engine light.
3. What causes the P0114 code on a 2014 GMC Sierra?
Common causes include a faulty IAT sensor, damaged wiring or connectors, a loose sensor connection, or contamination on the sensor.
4. How do I locate the IAT sensor on a 2014 GMC Sierra?
The IAT sensor is typically located in the intake air duct between the air filter and the throttle body.
5. Can a dirty air filter trigger code P0114 on a 2014 GMC Sierra?
While unlikely, a heavily clogged air filter can affect airflow and potentially contribute to sensor issues or improper readings.
6. How do I fix the P0114 code on my 2014 GMC Sierra?
Start by inspecting the IAT sensor and its wiring for damage or loose connections. Clean or replace the sensor if necessary. If the issue persists, further diagnostics are required.
7. Can I drive my 2014 GMC Sierra with the P0114 code?
It’s possible but not recommended, as it may lead to poor performance, reduced fuel efficiency, and potential long-term engine damage.
8. How much does it cost to fix the P0114 code on a 2014 GMC Sierra?
The cost can vary, ranging from $50 to $200, depending on whether the IAT sensor or wiring needs repair or replacement.
9. Will replacing the IAT sensor always fix the P0114 code on a 2014 GMC Sierra?
Not always. If the issue is caused by damaged wiring, loose connections, or an ECM problem, replacing the sensor alone won’t resolve the code.
10. How can I prevent the P0114 code from recurring on my 2014 GMC Sierra?
Regularly inspect and maintain the air intake system, check for damaged wires or connectors, and keep the IAT sensor clean and free of debris.
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