P0099 2015 Chevrolet Silverado Code - Intake Air Temperature Sensor 2 Circuit Intermittent
Quick Answer
The Intake Air Temperature (IAT) sensor 1 is a variable resistor that changes the voltage on the Engine Control Module (ECM) supplied 5 V signal circuit. Common causes include Faulty Intake Air Temperature (IAT) sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature 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
- P0099 2015 Chevrolet Silverado indicates Intake Air Temperature Sensor 2 Circuit Intermittent.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature 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 P0099 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0099 2015 Chevrolet Silverado?
- 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 P0099 2015 Chevrolet Silverado?
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
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0099 2015 Chevrolet Silverado 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 P0099 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0099 in a 2015 Chevrolet Silverado?
- Common symptoms include poor engine performance, decreased fuel efficiency, and potential stalling or rough idling.
2. What does the OBDII code P0099 indicate specifically in a 2015 Chevrolet Silverado?
- The code P0099 refers to an issue with the Intake Air Temperature Sensor 2 Circuit, indicating intermittent connectivity problems.
3. What are the possible causes of OBDII code P0099 in a 2015 Chevrolet Silverado?
- Causes may include a faulty intake air temperature sensor, damaged wiring or connectors, loose connections, or issues with the sensor circuit.
4. How can I diagnose the Intake Air Temperature Sensor 2 Circuit issue causing OBDII code P0099 in my 2015 Chevrolet Silverado?
- You can use a multimeter to test the sensor's resistance, inspect the wiring and connectors for damage, and perform a visual inspection of the sensor and its connections.
5. Are there any simple repair tips for addressing OBDII code P0099 in a 2015 Chevrolet Silverado?
- Basic steps include checking and cleaning the sensor connections, replacing the intake air temperature sensor if faulty, and repairing any damaged wiring.
6. Can driving with OBDII code P0099 present in a 2015 Chevrolet Silverado cause further damage?
- Continued driving with this code may lead to reduced engine performance, decreased fuel efficiency, and potential long-term damage if left unresolved.
7. How important is it to address the Intake Air Temperature Sensor 2 Circuit issue triggering OBDII code P0099 in a 2015 Chevrolet Silverado?
- It is crucial to address this issue promptly to prevent potential engine performance issues, poor fuel economy, and further complications down the line.
8. Can resetting the OBDII system clear the P0099 code in a 2015 Chevrolet Silverado?
- While resetting the system may temporarily clear the code, it is essential to diagnose and fix the underlying issue causing the code to prevent its recurrence.
9. Is it necessary to visit a mechanic for repairs related to OBDII code P0099 in a 2015 Chevrolet Silverado?
- Depending on your automotive knowledge and skills, you may be able to address the issue yourself by following diagnostic procedures and making necessary repairs.
10. How can I prevent OBDII code P0099 from appearing again in my 2015 Chevrolet Silverado after repairs?
- Regularly inspecting and maintaining the intake air temperature sensor, wiring, and connectors can help prevent the recurrence of code P0099 in the future.
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