P0072 2015 GMC Sierra Code - Ambient Air Temperature Sensor Circuit Low 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
- P0072 2015 GMC Sierra indicates Ambient Air Temperature Sensor Circuit Low 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 P0072 2015 GMC Sierra Description
What are the Possible Causes of the DTC P0072 2015 GMC Sierra?
- 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 P0072 2015 GMC Sierra?
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 P0072 2015 GMC Sierra 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 P0072 2015 GMC Sierra code?
Need more information on how to fix the P0072 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0072 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0072 2015 GMC Sierra Code
What does the OBDII code P0072 mean on a 2015 GMC Sierra?
1. The P0072 code indicates that the ambient air temperature sensor circuit is detecting a voltage that is too low, which may cause issues with the vehicle's air temperature readings. 2.
What are the symptoms of a P0072 code in a 2015 GMC Sierra?
Common symptoms include inaccurate ambient temperature readings, poor HVAC performance, and potential effects on engine performance due to incorrect input for air density adjustments. 3.
What causes the P0072 code on a 2015 GMC Sierra?
The most common causes are a faulty ambient air temperature sensor, damaged wiring or connectors, or a short circuit in the sensor's circuitry. 4.
Can a P0072 code affect the performance of my 2015 GMC Sierra?
Yes, it can indirectly affect performance by providing incorrect data to systems like the HVAC or engine control module, which may impact fuel efficiency and comfort. 5.
Where is the ambient air temperature sensor located on a 2015 GMC Sierra?
The ambient air temperature sensor is typically located near the front grille or bumper area, exposed to outside air for accurate readings. 6.
How do I diagnose the P0072 code on my 2015 GMC Sierra?
Start by visually inspecting the sensor and its wiring for damage. Use a multimeter to check the circuit voltage and continuity, and compare the sensor's resistance readings to manufacturer specifications. 7.
Can I drive my 2015 GMC Sierra with a P0072 code?
You can drive with this code, but it is recommended to address it promptly, as it may affect HVAC performance and, in rare cases, engine efficiency. 8.
How do I fix a P0072 code on a 2015 GMC Sierra?
Fixes may include replacing the ambient air temperature sensor, repairing damaged wiring or connectors, or addressing any short circuits in the sensor circuit. 9.
Do I need to clear the P0072 code after repairs on my 2015 GMC Sierra?
Yes, after completing repairs, use an OBDII scanner to clear the code and ensure it does not reappear during a test drive. 10.
Is the P0072 code specific to the 2015 GMC Sierra?
No, the P0072 code is a generic OBDII code and can appear on other vehicles, but the diagnostic and repair process may vary depending on the make and model.
Discuss the causes and fixes for P0072 2015 GMC Sierra OBDII Code
Code P0072 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
