P0099 2017 Chevrolet Silverado Code - Intake Air Temperature Sensor 2 Circuit Intermittent
Quick Answer
The P0099 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Intake Air Temperature Sensor 2 Circuit Intermittent. Common causes include Faulty Intake Air Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect data to the ECM, Damaged Wiring or Connectors: Wiring or connectors in the sensor circuit may be damaged, leading to intermittent connectivity issues, Malfunctioning ECM: The ECM, which processes data from the sensor, may be faulty and unable to interpret the sensor readings correctly. 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 2017 Chevrolet Silverado indicates Intake Air Temperature Sensor 2 Circuit Intermittent.
- Common causes
- Common causes include Faulty Intake Air Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect data to the ECM, Damaged Wiring or Connectors: Wiring or connectors in the sensor circuit may be damaged, leading to intermittent connectivity issues, Malfunctioning ECM: The ECM, which processes data from the sensor, may be faulty and unable to interpret the sensor readings correctly.
- 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.
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Code P0099 2017 Chevrolet Silverado Description
The P0099 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Intake Air Temperature Sensor 2 Circuit Intermittent. This code indicates that there is a problem with the circuit that monitors the intake air temperature sensor, specifically sensor 2. The intake air temperature sensor is a crucial component of the engine management system, as it measures the temperature of the air entering the engine. This information is used by the engine control module (ECM) to adjust fuel delivery and ignition timing for optimal performance and efficiency.
Common Causes of P0099 2017 Chevrolet Silverado
- Faulty Intake Air Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect data to the ECM.
- Damaged Wiring or Connectors: Wiring or connectors in the sensor circuit may be damaged, leading to intermittent connectivity issues.
- Malfunctioning ECM: The ECM, which processes data from the sensor, may be faulty and unable to interpret the sensor readings correctly.
- Poor Connection: A loose or poor connection between the sensor and the ECM can cause intermittent signal interruptions.
Symptoms of P0099 2017 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the P0099 code is the illumination of the check engine light on the vehicle's dashboard.
- Decreased Fuel Efficiency: A faulty intake air temperature sensor can lead to incorrect fuel delivery, resulting in decreased fuel efficiency.
- Rough Idling: Inconsistent data from the sensor can cause the engine to idle roughly or erratically.
- Engine Stalling: In severe cases, the engine may stall or have difficulty starting due to incorrect sensor readings.
- Reduced Performance: The vehicle may experience a decrease in overall performance, including sluggish acceleration and power loss.
How to Fix P0099 2017 Chevrolet Silverado
- Diagnose the Issue: Use a diagnostic scanner to retrieve the trouble code and perform a thorough inspection of the intake air temperature sensor 2 circuit.
- Inspect Wiring and Connectors: Check the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Test Intake Air Temperature Sensor: Test the intake air temperature sensor using a multimeter to ensure it is functioning properly. Replace if faulty.
- Check ECM Functionality: Verify that the ECM is operating correctly and able to interpret sensor data accurately. Replace if needed.
- Clear Codes and Test Drive: Clear the trouble code from the ECM, then test drive the vehicle to ensure that the issue has been resolved and the code does not return.
Cost to Fix P0099 2017 Chevrolet Silverado
The typical repair costs for addressing the P0099 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of replacing the intake air temperature sensor can range from $50 to $150, while repairing damaged wiring or connectors may cost between $100 and $200. If the ECM needs to be replaced, the cost can be significantly higher, ranging from $500 to $1000 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, but rates can vary based on location, vehicle make and model, and the complexity of the repair. It is advisable to obtain a detailed estimate from a qualified mechanic to determine the exact cost of addressing the P0099 code on your Chevrolet Silverado.
Tech Notes for P0099 2017 Chevrolet Silverado
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Frequently Asked Questions about P0099 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0099 on a 2017 Chevrolet Silverado?
- Common symptoms include reduced engine performance, poor fuel efficiency, rough idling, and illuminated Check Engine light.
2. What does the OBDII code P0099 indicate on a 2017 Chevrolet Silverado?
- The code P0099 indicates a fault with the Intake Air Temperature Sensor 2 Circuit, specifically an intermittent issue.
3. What are the possible causes of OBDII code P0099 on a 2017 Chevrolet Silverado?
- Possible causes include a faulty intake air temperature sensor, damaged wiring or connectors, a loose or corroded connection, or a problem with the sensor circuit.
4. How can I diagnose the Intake Air Temperature Sensor 2 Circuit issue causing OBDII code P0099 on my 2017 Chevrolet Silverado?
- You can diagnose the issue by inspecting the sensor and its connections, testing the sensor's resistance, checking for wiring damage, and using a scan tool to monitor sensor data.
5. What are some repair tips for addressing OBDII code P0099 on a 2017 Chevrolet Silverado?
- Repair tips include replacing the intake air temperature sensor if faulty, repairing or replacing damaged wiring or connectors, ensuring all connections are secure, and clearing the trouble codes.
6. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P0099 present?
- It is not recommended to continue driving with OBDII code P0099 present, as it can lead to decreased engine performance and potential further damage if left unresolved.
7. How much does it typically cost to repair OBDII code P0099 on a 2017 Chevrolet Silverado?
- The cost of repairing OBDII code P0099 can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or connector fixes, which could range from $100 to $300 or more.
8. Can a DIY enthusiast fix OBDII code P0099 on a 2017 Chevrolet Silverado?
- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to address OBDII code P0099 by following diagnostic procedures and making necessary repairs like sensor replacement or wiring fixes.
9. How long does it take to repair OBDII code P0099 on a 2017 Chevrolet Silverado?
- The repair time for OBDII code P0099 can vary based on the extent of the issue and the repair needed, but it typically takes anywhere from 1 to 3 hours to diagnose and fix the problem.
10. Are there any recalls or service bulletins related to OBDII code P0099 on a 2017 Chevrolet Silverado?
- It's recommended to check with a Chevrolet dealership or online resources for any relevant recalls or service bulletins related to OBDII code P0099 on a 2017 Chevrolet Silverado to see if there are known issues or remedies provided by the manufacturer.
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