P0071 2018 Chevrolet Silverado Code - Ambient Air Temperature Sensor Performance
Quick Answer
The P0071 diagnostic trouble code (DTC) in a 2018 Chevrolet Silverado indicates an issue with the Ambient Air Temperature Sensor's performance. Common causes include Faulty Ambient Air Temperature Sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation. 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
- P0071 2018 Chevrolet Silverado indicates Ambient Air Temperature Sensor Performance.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation.
- 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 P0071 2018 Chevrolet Silverado Description
The P0071 diagnostic trouble code (DTC) in a 2018 Chevrolet Silverado indicates an issue with the Ambient Air Temperature Sensor's performance. This sensor is responsible for measuring the temperature of the air outside the vehicle and providing this data to the engine control module (ECM). The ECM uses this information to adjust various parameters, such as fuel delivery and ignition timing, to optimize engine performance and efficiency.
Common Causes of P0071 2018 Chevrolet Silverado
- Faulty Ambient Air Temperature Sensor
- Damaged wiring or connectors
- Corrosion or debris affecting sensor operation
- ECM software issues
- Environmental factors, such as extreme temperatures or moisture exposure
Symptoms of P0071 2018 Chevrolet Silverado
- Check engine light illuminated on the dashboard
- Reduced fuel economy
- Engine performance issues, such as hesitation or rough idling
- Inaccurate temperature readings on the vehicle's display
- Overheating of the engine
How to Fix P0071 2018 Chevrolet Silverado
- Begin by connecting a diagnostic scanner to the vehicle's onboard computer to retrieve the specific trouble code and confirm the issue.
- Inspect the Ambient Air Temperature Sensor and its wiring for any visible damage, corrosion, or loose connections. Replace or repair components as needed.
- Test the sensor's operation using a multimeter to ensure it is providing accurate temperature readings.
- Clear the DTC from the ECM's memory using the diagnostic scanner and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnosis may be required to identify any underlying issues with the ECM or other related components.
Cost to Fix P0071 2018 Chevrolet Silverado
The typical repair costs for addressing a P0071 code in a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a faulty Ambient Air Temperature Sensor can range from $50 to $150, while addressing wiring or connector issues may add to the total cost. Labor rates at auto repair shops typically range between $80 and $150 per hour, but rates can vary based on location, vehicle make and model, and the complexity of the repair. It is advisable to consult with a trusted mechanic or dealership to obtain a more accurate estimate based on the specific circumstances.
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Frequently Asked Questions about P0071 2018 Chevrolet Silverado Code
1. What does OBDII code P0071 on a 2018 Chevrolet Silverado mean?
The code P0071 indicates a performance issue with the Ambient Air Temperature Sensor in the vehicle.
2. What are the common symptoms of a faulty Ambient Air Temperature Sensor?
Common symptoms include inaccurate temperature readings on the dashboard display, incorrect climate control operation, and potential impact on fuel efficiency.
3. What are the possible causes of OBDII code P0071 in a 2018 Chevrolet Silverado?
Possible causes include a faulty Ambient Air Temperature Sensor, wiring issues, sensor connection problems, or issues with the sensor circuit.
4. How can I diagnose the Ambient Air Temperature Sensor issue in my 2018 Chevrolet Silverado?
Diagnosing the problem involves using an OBDII scanner to retrieve the specific trouble code (P0071) and then testing the sensor's resistance and voltage output to determine if it is functioning correctly.
5. Can I still drive my Chevrolet Silverado with the P0071 code present?
It is generally safe to drive the vehicle with the P0071 code, but it is recommended to address the issue promptly to prevent potential impacts on fuel efficiency and climate control.
6. How can I repair a P0071 fault code in my Chevrolet Silverado?
Repair options include replacing the Ambient Air Temperature Sensor, checking and repairing any wiring or connection issues, or resetting the fault code after ensuring proper sensor function.
7. Is it possible to reset the P0071 code on a 2018 Chevrolet Silverado without fixing the underlying issue?
While you can clear the fault code with an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reappearing.
8. How much does it typically cost to repair a P0071 fault in a Chevrolet Silverado?
The cost of repairing a P0071 fault can vary depending on the specific issue, but it generally ranges from $100 to $300 for parts and labor.
9. Will a faulty Ambient Air Temperature Sensor affect my Chevrolet Silverado's performance?
While a faulty sensor may not directly impact the vehicle's performance, it can lead to inaccurate temperature readings and affect the operation of the climate control system.
10. Can a DIY enthusiast replace the Ambient Air Temperature Sensor in a 2018 Chevrolet Silverado?
Replacing the Ambient Air Temperature Sensor is a relatively straightforward task that can be done by a DIY enthusiast with basic automotive knowledge and the right tools.
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