AutoCodes – Audi – P0072 Audi

P0072 Audi Code - Ambient Air Temperature Sensor Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. 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 Audi indicates Ambient Air Temperature Sensor Circuit Low.
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.

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Code Popularity 6,861

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0072 Audi Description

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.

OBDII Code P0072 Audi - Ambient Air Temperature Sensor Circuit Low - AutoCodes.com — P0072 Audi Code - Ambient Air Temperature Sensor Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0072 Audi?

Faulty ambient air temperature sensor
Ambient air temperature sensor harness is open or shorted
Ambient air temperature sensor circuit poor electrical connection

How to Fix the DTC P0072 Audi?

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 Audi 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.

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Need more information on how to fix the P0072 Audi code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0072 Audi Code

1. What are the common symptoms of OBDII code P0072 in an Audi?

- Common symptoms include inaccurate outside temperature display, issues with the climate control system, and potential impact on fuel efficiency.

2. What does the OBDII code P0072 in an Audi indicate?

- The code P0072 indicates a low voltage condition in the ambient air temperature sensor circuit.

3. What are the possible causes of the ambient air temperature sensor circuit low error code in an Audi?

- Potential causes include a faulty ambient air temperature sensor, damaged wiring or connectors, a short circuit, or water intrusion in the sensor.

4. How can I diagnose the ambient air temperature sensor circuit issue in my Audi?

- To diagnose the issue, you can use a multimeter to test the sensor's resistance, check for any visible damage to the wiring, and inspect the sensor for signs of water damage.

5. Can I drive my Audi with the P0072 code present?

- It is generally safe to drive with the P0072 code, but you may experience issues with the climate control system and outside temperature display until the problem is resolved.

6. How can I repair the ambient air temperature sensor circuit low issue in my Audi?

- Repair options include replacing the ambient air temperature sensor, repairing any damaged wiring or connectors, and clearing the error code with an OBDII scanner.

7. Is it possible to reset the P0072 code in an Audi without fixing the underlying issue?

- While you can clear the code temporarily with an OBDII scanner, it is recommended to address the root cause of the problem to prevent the code from reoccurring.

8. How much does it typically cost to repair the ambient air temperature sensor circuit low problem in an Audi?

- The cost of repair can vary depending on the extent of the issue, but it generally ranges from $100 to $300 for parts and labor.

9. Can extreme weather conditions affect the ambient air temperature sensor in an Audi?

- Yes, extreme temperatures or weather conditions such as heavy rain or snow can potentially damage the ambient air temperature sensor and trigger the P0072 code.

10. Will fixing the ambient air temperature sensor circuit issue improve my Audi's performance?

- While resolving the P0072 code may not directly improve performance, it can help ensure the proper functioning of the climate control system and outside temperature display in your Audi.