P0073 2018 Chevrolet Silverado Code - Ambient Air Temperature Sensor Circuit High Voltage
Quick Answer
The Engine Control Module (ECM) monitors the ambient air temperature sensor with a low reference circuit and signal circuit. Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient 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
- P0073 2018 Chevrolet Silverado indicates Ambient Air Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient 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 P0073 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0073 2018 Chevrolet Silverado?
- Faulty Ambient Air Temperature Sensor
- Ambient Air Temperature Sensor harness is open or shorted
- Ambient Air Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0073 2018 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0073 2018 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.
Need more information about the P0073 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P0073 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0073 in a 2018 Chevrolet Silverado?
- Common symptoms include inaccurate ambient air temperature readings on the vehicle's display, potential issues with the HVAC system, and triggering of the check engine light.
2. What can cause the Ambient Air Temperature Sensor Circuit High Voltage code (P0073) in a 2018 Chevrolet Silverado?
- Possible causes include a faulty ambient air temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's ground connection.
3. How serious is the P0073 OBDII trouble code in a 2018 Chevrolet Silverado?
- While the vehicle may still be operational with this code, it is essential to address the underlying issue promptly to prevent potential problems with the vehicle's HVAC system and ensure accurate temperature readings.
4. How can I diagnose the Ambient Air Temperature Sensor Circuit High Voltage code (P0073) in my 2018 Chevrolet Silverado?
- Diagnosis typically involves using a scan tool to read the OBDII code, testing the ambient air temperature sensor's resistance, checking the sensor's wiring and connectors for damage, and verifying the sensor's output voltage.
5. Can I drive my 2018 Chevrolet Silverado with the P0073 trouble code?
- It is generally safe to drive the vehicle with the P0073 code, but it is advisable to address the issue promptly to avoid potential complications with the vehicle's systems.
6. How can I repair the Ambient Air Temperature Sensor Circuit High Voltage code (P0073) in my 2018 Chevrolet Silverado?
- Repair options include replacing the ambient air temperature sensor, repairing damaged wiring or connectors, ensuring a proper ground connection, and clearing the trouble code with a scan tool.
7. Will resetting the OBDII trouble code P0073 in my 2018 Chevrolet Silverado resolve the issue?
- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the P0073 code. Proper diagnosis and repair are necessary to address the issue effectively.
8. How much does it cost to fix the P0073 code in a 2018 Chevrolet Silverado?
- The cost of repair can vary depending on the specific cause of the code, but it may involve replacing the ambient air temperature sensor, repairing wiring, or addressing other related issues. Costs can range from relatively inexpensive for a DIY repair to more expensive for professional diagnosis and parts replacement.
9. Can a DIY enthusiast fix the P0073 code in a 2018 Chevrolet Silverado?
- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to address the P0073 code by following repair guides, replacing the ambient air temperature sensor, checking wiring, and ensuring proper connections.
10. How long does it take to repair the Ambient Air Temperature Sensor Circuit High Voltage code (P0073) in a 2018 Chevrolet Silverado?
- The repair time can vary based on the specific cause of the code and the individual's experience. In general, it can take anywhere from a few minutes for simple fixes like sensor replacement to a couple of hours for more complex diagnostics and repairs involving wiring or connectors.
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