AutoCodes – Volkswagen – P0072 Volkswagen

P0072 Volkswagen 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 Volkswagen 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 10,778

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

What does this mean?

What are the Possible Causes of the DTC P0072 Volkswagen?

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 Volkswagen?

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 Volkswagen 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 Volkswagen 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 Volkswagen Code

1. What are the common symptoms of OBDII code P0072 in a Volkswagen related to the Ambient Air Temperature Sensor Circuit Low?

- Common symptoms include incorrect temperature readings on the vehicle's display, poor fuel efficiency, and potential issues with the engine's performance.

2. What are the possible causes of OBDII code P0072 in a Volkswagen?

- The code P0072 typically indicates a problem with the ambient air temperature sensor, which could be caused by a faulty sensor, damaged wiring, or a poor connection.

3. How can I diagnose the Ambient Air Temperature Sensor Circuit Low issue in my Volkswagen?

- To diagnose the issue, you can use a multimeter to test the resistance of the ambient air temperature sensor, inspect the sensor and wiring for physical damage, and check for any loose connections.

4. Can I drive my Volkswagen with the OBDII code P0072 present?

- While it may be possible to drive the vehicle with this code, it is recommended to address the issue promptly to prevent potential further damage to the engine or related components.

5. How can I repair the Ambient Air Temperature Sensor Circuit Low problem in my Volkswagen?

- The repair process typically involves replacing the ambient air temperature sensor, repairing any damaged wiring, and ensuring all connections are secure and properly functioning.

6. Is it possible to reset the OBDII code P0072 in a Volkswagen without repairing the issue?

- While clearing the code may temporarily turn off the check engine light, the underlying problem with the ambient air temperature sensor should be addressed to prevent future issues.

7. How much does it cost to fix the Ambient Air Temperature Sensor Circuit Low problem in a Volkswagen?

- The cost of repair can vary depending on the extent of the issue, but it typically includes the cost of a new ambient air temperature sensor and potentially labor charges if you take your vehicle to a mechanic.

8. Can a DIY enthusiast fix the OBDII code P0072 issue in a Volkswagen?

- Yes, if you have some experience with automotive repairs and the necessary tools, you may be able to replace the ambient air temperature sensor and address the circuit low issue yourself.

9. Are there any preventive measures to avoid encountering the OBDII code P0072 in a Volkswagen?

- Regular maintenance checks, keeping an eye on the ambient air temperature sensor's condition, and addressing any issues promptly can help prevent the occurrence of this code.

10. How long does it take to repair the Ambient Air Temperature Sensor Circuit Low problem in a Volkswagen?

- The repair time can vary depending on your experience level and the extent of the issue, but it typically takes a couple of hours to replace the sensor and address the circuit low problem.