P0073 2017 Chevrolet Silverado Code - Ambient Air Temperature Sensor Circuit High Voltage
Quick Answer
The P0073 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Ambient Air Temperature (AAT) sensor circuit registering high voltage. Common causes include Faulty Ambient Air Temperature sensor, Wiring issues or shorts in the AAT sensor circuit, Corrosion or damage to sensor connectors. 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
- P0073 2017 Chevrolet Silverado indicates Ambient Air Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Ambient Air Temperature sensor, Wiring issues or shorts in the AAT sensor circuit, Corrosion or damage to sensor connectors.
- 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 P0073 2017 Chevrolet Silverado Description
The P0073 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Ambient Air Temperature (AAT) sensor circuit registering high voltage. The AAT sensor is responsible for measuring the temperature of the air outside the vehicle and relaying this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing for optimal performance and efficiency. When the sensor circuit detects high voltage, it means that the sensor is reporting a temperature that is abnormally high, which can lead to incorrect fuel mixture, ignition timing, and other engine parameters.
Common Causes of P0073 2017 Chevrolet Silverado
- Faulty Ambient Air Temperature sensor
- Wiring issues or shorts in the AAT sensor circuit
- Corrosion or damage to sensor connectors
- ECM software or hardware issues
- Environmental factors affecting sensor readings (e.g., heat from engine)
Symptoms of P0073 2017 Chevrolet Silverado
- Check engine light illuminated
- Inaccurate temperature readings on the vehicle's display
- Poor fuel efficiency
- Rough idling or stalling
- Decreased engine performance
How to Fix P0073 2017 Chevrolet Silverado
- Diagnose the issue by using a scan tool to read the DTC and verify the high voltage reading from the AAT sensor.
- Inspect the sensor and wiring for any visible damage, corrosion, or loose connections.
- Test the AAT sensor's resistance and voltage output to determine if it is functioning correctly.
- Replace the AAT sensor if it is found to be faulty, ensuring proper installation and connection.
- Clear the DTC and reset the ECM to ensure the issue is resolved and the check engine light is no longer illuminated.
Cost to Fix P0073 2017 Chevrolet Silverado
The typical repair costs for addressing a P0073 code on a 2017 Chevrolet Silverado can range from $100 to $300, depending on the cost of the AAT sensor and the labor involved in diagnosing and replacing the faulty component. It's important to note that prices may vary based on the location, auto repair shop rates, and any additional parts or services required. It's advisable to consult with a trusted mechanic for a more accurate estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P0073 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0073 on a 2017 Chevrolet Silverado?
- Common symptoms include inaccurate temperature readings on the dashboard, rough engine performance, and potential issues with the HVAC system.
2. What does the Ambient Air Temperature Sensor do in a 2017 Chevrolet Silverado?
- The Ambient Air Temperature Sensor measures the outside air temperature and sends this information to the vehicle's computer to help regulate various systems.
3. What are the possible causes of the Ambient Air Temperature Sensor Circuit High Voltage error code?
- Possible causes include a faulty ambient air temperature sensor, damaged wiring or connectors, electrical issues, or a malfunctioning sensor circuit.
4. How can I diagnose the cause of the P0073 code on my 2017 Chevrolet Silverado?
- You can start by visually inspecting the sensor and its wiring for any visible damage. Using a multimeter to test the sensor's resistance and voltage output can help pinpoint the issue.
5. Is it safe to continue driving my Chevrolet Silverado with the P0073 trouble code?
- It is generally safe to drive with this code, but it's recommended to address the underlying issue as soon as possible to prevent any potential long-term damage to the vehicle.
6. Can I repair the Ambient Air Temperature Sensor Circuit High Voltage issue on my 2017 Silverado myself?
- If you have experience working on vehicles and access to the necessary tools, you may be able to repair this issue yourself by replacing the ambient air temperature sensor or fixing any damaged wiring.
7. Will resetting the trouble codes make the P0073 code disappear permanently?
- Resetting the trouble codes may temporarily clear the P0073 code, but if the underlying issue is not resolved, the code is likely to reappear after driving the vehicle for some time.
8. How much does it typically cost to repair the Ambient Air Temperature Sensor Circuit High Voltage error on a 2017 Chevrolet Silverado?
- The cost of repairing this issue can vary depending on the root cause, but it may range from $100 to $300 for parts and labor at a dealership or repair shop.
9. Can extreme weather conditions affect the performance of the Ambient Air Temperature Sensor in my Chevrolet Silverado?
- Yes, extreme hot or cold weather conditions can sometimes cause the sensor to malfunction or provide inaccurate readings, leading to the P0073 trouble code.
10. Will fixing the Ambient Air Temperature Sensor Circuit High Voltage problem improve my Chevrolet Silverado's fuel efficiency?
- While addressing this issue may improve the overall performance of your vehicle, it may not have a direct impact on fuel efficiency unless the faulty sensor was causing the engine to run inefficiently.
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