P0073 2017 GMC Sierra Code - Ambient Air Temperature Sensor Circuit High Voltage
Quick Answer
The P0073 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Ambient Air Temperature Sensor Circuit registering a high voltage. Common causes include Faulty Ambient Air Temperature Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connector. 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 GMC Sierra indicates Ambient Air Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connector.
- 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 GMC Sierra Description
The P0073 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Ambient Air Temperature Sensor Circuit registering a high voltage. The Ambient Air Temperature Sensor is responsible for monitoring the outside air temperature and providing this information to the engine control module (ECM) for various functions such as fuel mixture and ignition timing adjustments. When the sensor detects a high voltage signal, it means that the temperature reading is higher than expected, which can lead to incorrect calculations and affect the vehicle's performance.
Common Causes of P0073 2017 GMC Sierra
- Faulty Ambient Air Temperature Sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or contamination in the sensor connector
- Malfunctioning ECM
- External factors such as exposure to extreme temperatures or physical damage to the sensor
Symptoms of P0073 2017 GMC Sierra
- Check Engine Light illuminated on the dashboard
- Inaccurate temperature readings displayed on the vehicle's information display
- Poor fuel economy
- Rough idling or stalling
- Climate control system not functioning properly
How to Fix P0073 2017 GMC Sierra
- Diagnose the issue by using a scan tool to read the DTC and check the temperature sensor's voltage readings
- Inspect the sensor and its wiring for any visible damage or corrosion
- Replace the Ambient Air Temperature Sensor if it is faulty
- Repair or replace damaged wiring or connectors in the sensor circuit
- Clear the DTC using the scan tool and perform a test drive to ensure the issue is resolved
Cost to Fix P0073 2017 GMC Sierra
The cost of repairing the Ambient Air Temperature Sensor Circuit high voltage issue can vary depending on the specific cause of the problem. In general, replacing the Ambient Air Temperature Sensor can cost between $50 and $150 for the part alone. Labor costs can range from $80 to $150 per hour, and the total repair bill may amount to $150 to $300 or more, including parts and labor. It's advisable to consult with a trusted auto repair shop to get an accurate estimate based on your vehicle's make and model, as well as the local labor rates.
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Frequently Asked Questions about P0073 2017 GMC Sierra Code
What does the OBDII code P0073 indicate in a 2017 GMC Sierra?
P0073 indicates that there is a high voltage signal coming from the ambient air temperature sensor circuit, suggesting a potential issue with the sensor or its wiring.
What are the common symptoms of a P0073 code?
Common symptoms include inaccurate temperature readings on the dashboard, potential issues with climate control, and the check engine light being illuminated.
What could cause the P0073 code to trigger?
Causes may include a faulty ambient air temperature sensor, damaged wiring or connectors, or short circuits in the sensor circuit.
How can I diagnose a P0073 code?
To diagnose a P0073 code, check the ambient air temperature sensor with a multimeter, inspect the wiring and connectors for damage, and ensure there are no shorts or open circuits.
What repairs are typically needed for a P0073 code?
Repairs may include replacing the faulty ambient air temperature sensor, repairing or replacing damaged wiring, or addressing any related electrical issues.
Can a P0073 code affect vehicle performance?
While it may not significantly affect vehicle performance, it can lead to incorrect climate control functioning and potentially impact fuel economy due to incorrect temperature readings.
Is it safe to drive with a P0073 code?
It is generally safe to drive with a P0073 code, but it is advisable to address the issue to ensure proper vehicle operation and comfort.
How much does it typically cost to fix a P0073 code?
Repair costs can vary widely depending on whether the ambient air temperature sensor needs replacement or if there are wiring issues, but it typically ranges from $100 to $300.
Will clearing the P0073 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code will likely return.
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