P00E9 2017 GMC Sierra Code - Intake Air Temperature Sensor 3 Circuit Performance
Quick Answer
The Intake Air Temperature (IAT) Sensor 3 is a variable resistor that changes an Engine Control Module (ECM) supplied 5 V signal. Common causes include Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor), Intake Air Temperature Sensor 3 harness is open or shorted, Intake Air Temperature Sensor 3 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
- P00E9 2017 GMC Sierra indicates Intake Air Temperature Sensor 3 Circuit Performance.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor), Intake Air Temperature Sensor 3 harness is open or shorted, Intake Air Temperature Sensor 3 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 P00E9 2017 GMC Sierra Description
What are the Possible Causes of the DTC P00E9 2017 GMC Sierra?
- Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor)
- Intake Air Temperature Sensor 3 harness is open or shorted
- Intake Air Temperature Sensor 3 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P00E9 2017 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 P00E9 2017 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 P00E9 2017 GMC Sierra code?
Need more information on how to fix the P00E9 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P00E9 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P00E9 2017 GMC Sierra Code
1. What does the OBDII code P00E9 mean on a 2017 GMC Sierra?
P00E9 indicates an issue with the Intake Air Temperature (IAT) Sensor 3 circuit, signaling a performance problem or irregular readings.
2. What are the symptoms of the P00E9 code on a 2017 GMC Sierra?
Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting, or an illuminated check engine light.
3. What causes the P00E9 code to appear on a 2017 GMC Sierra?
Common causes include a faulty IAT sensor, damaged wiring or connectors, a malfunctioning mass airflow (MAF) sensor, or issues with the engine control module (ECM).
4. Can I drive my 2017 GMC Sierra with the P00E9 code?
While the vehicle may still be drivable, it’s not recommended as poor air temperature readings can affect engine performance and fuel efficiency.
5. How do I fix the P00E9 code on a 2017 GMC Sierra?
Start by inspecting the IAT sensor and its wiring for damage or loose connections. Replace the sensor if necessary and clear the code to see if it resolves the issue.
6. Where is the Intake Air Temperature Sensor 3 located on a 2017 GMC Sierra?
The IAT Sensor 3 is typically integrated into the MAF sensor or installed in the intake air duct near the air filter housing.
7. How much does it cost to repair the P00E9 code on a 2017 GMC Sierra?
The repair cost depends on the issue. Replacing an IAT sensor usually costs $50 to $150, while wiring repairs or ECM issues can cost more.
8. Can a dirty air filter cause the P00E9 code?
Yes, a clogged or dirty air filter can restrict airflow and potentially affect the IAT sensor readings, triggering the P00E9 code.
9. What tools are needed to diagnose the P00E9 code on a 2017 GMC Sierra?
You’ll need an OBDII scanner, a multimeter to test voltage and continuity, and possibly basic hand tools for sensor removal.
10. Does the P00E9 code indicate a problem with other sensors?
It’s possible. The issue could be related to the MAF sensor, as it often shares circuits with the IAT sensor. Diagnosing all related components is recommended.
Discuss the causes and fixes for P00E9 2017 GMC Sierra OBDII Code
Code P00E9 2017 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.
