P0073 2014 GMC Sierra Code - Ambient Air Temperature Sensor Circuit High Voltage
Quick Answer
The P0073 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the Ambient Air Temperature (AAT) sensor circuit registering a high voltage. Common causes include Faulty Ambient Air Temperature (AAT) sensor, Damaged wiring or connectors in the AAT sensor circuit, Corrosion or poor connections in the sensor circuit. 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 2014 GMC Sierra indicates Ambient Air Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Ambient Air Temperature (AAT) sensor, Damaged wiring or connectors in the AAT sensor circuit, Corrosion or poor connections in the sensor circuit.
- 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 2014 GMC Sierra Description
The P0073 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the Ambient Air Temperature (AAT) sensor circuit registering a high voltage. The AAT sensor is responsible for measuring the temperature of the air outside the vehicle and providing this information to the engine control module (ECM). The ECM uses this data to adjust various engine parameters for optimal performance, fuel efficiency, and emissions control.
Common Causes of P0073 2014 GMC Sierra
- Faulty Ambient Air Temperature (AAT) sensor
- Damaged wiring or connectors in the AAT sensor circuit
- Corrosion or poor connections in the sensor circuit
- Malfunctioning Engine Control Module (ECM)
- Environmental factors such as extreme temperatures affecting sensor performance
Symptoms of P0073 2014 GMC Sierra
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or engine misfires
- Engine stalling or hesitation during acceleration
- Inaccurate readings on the vehicle's temperature display
How to Fix P0073 2014 GMC Sierra
- Begin by locating the Ambient Air Temperature (AAT) sensor, typically located near the front grille or bumper of the vehicle.
- Inspect the sensor and its wiring for any visible damage, corrosion, or loose connections. Repair or replace any damaged components.
- Test the AAT sensor using a multimeter to ensure it is functioning correctly and providing accurate readings.
- If the sensor tests faulty, replace it with a new OEM or high-quality aftermarket sensor.
- Clear the diagnostic trouble codes using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0073 2014 GMC Sierra
The cost estimate for repairing a P0073 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of a new Ambient Air Temperature (AAT) sensor can range from $20 to $100, depending on the brand and quality. Labor costs for sensor replacement and diagnostic testing can range from $100 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total repair cost for addressing a P0073 code may range from $120 to $400, including parts and labor. It is advisable to consult with a trusted auto repair shop for a more accurate cost estimate based on your specific vehicle and location.
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Frequently Asked Questions about P0073 2014 GMC Sierra Code
What does OBDII code P0073 mean for a 2014 GMC Sierra?
OBDII code P0073 indicates that the ambient air temperature sensor circuit is experiencing high voltage, which can affect the vehicle's engine performance and efficiency.
What are the common symptoms of the P0073 code?
Common symptoms include incorrect temperature readings on the dashboard, poor fuel economy, and potential issues with the air conditioning system.
What could cause the P0073 code to trigger?
Causes may include a faulty ambient air temperature sensor, damaged wiring or connectors in the sensor circuit, or a short circuit in the wiring.
How can I diagnose the P0073 code?
To diagnose P0073, check the ambient air temperature sensor for proper function, inspect the wiring and connectors for damage, and use a multimeter to test for voltage and continuity in the circuit.
What are some repair tips for fixing the P0073 code?
Repair tips include replacing the faulty ambient air temperature sensor, repairing or replacing any damaged wiring or connectors, and ensuring all electrical connections are clean and secure.
Can I drive my 2014 GMC Sierra with the P0073 code?
While it may be possible to drive with the P0073 code, it is advisable to address the issue promptly to avoid potential performance problems and decreased fuel efficiency.
Will clearing the P0073 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue will still need to be repaired for the code not to reappear.
How much does it typically cost to repair the P0073 code?
Repair costs can vary widely, but replacing the ambient air temperature sensor typically ranges from $100 to $300, depending on labor rates and parts pricing.
Is the P0073 code serious?
Yes, the P0073 code can be serious as it may affect the engine's performance and fuel efficiency, so it's important to diagnose and repair it as soon as possible.
Can I replace the ambient air temperature sensor myself?
Yes, if you have basic automotive repair skills, you can replace the ambient air temperature sensor yourself, but make sure to follow safety guidelines and consult your vehicle's service manual for specific instructions.
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