AutoCodes – Volkswagen – P0071 Volkswagen

P0071 Volkswagen Code - Ambient Air Temperature Sensor Circuit Range/Performance Fault

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: P0071 Volkswagen indicates Ambient Air Temperature Sensor Circuit Range/Performance Fault.
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 20,910

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 P0071 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 P0071 Volkswagen - Ambient Air Temperature Sensor Circuit Range/Performance Fault - AutoCodes.com — P0071 Volkswagen Code - Ambient Air Temperature Sensor Circuit Range/Performance Fault

What does this mean?

What are the Possible Causes of the DTC P0071 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 P0071 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 P0071 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 P0071 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0071 Volkswagen code diagnosed by a professional: Find a repair shop in your area

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 P0071 Volkswagen Code

1. What are the common symptoms of OBDII code P0071 in a Volkswagen?

- Common symptoms include incorrect temperature readings on the dashboard, poor fuel efficiency, and potential issues with the climate control system.

2. What causes the OBDII code P0071 in a Volkswagen?

- This code is typically triggered by a faulty ambient air temperature sensor, damaged wiring or connectors, or a problem with the sensor circuit.

3. How can I diagnose the OBDII code P0071 in my Volkswagen?

- To diagnose this code, you can use an OBDII scanner to read the code and check the ambient air temperature sensor for any physical damage or corrosion. Additionally, inspect the wiring and connectors for any signs of wear or disconnection.

4. Can I still drive my Volkswagen with the OBDII code P0071 present?

- While it may be possible to drive the vehicle with this code, it is recommended to address the issue promptly to avoid potential fuel efficiency issues and further damage to the climate control system.

5. How can I repair the OBDII code P0071 in my Volkswagen?

- Repairing this code often involves replacing the ambient air temperature sensor and repairing any damaged wiring or connectors. It is important to use genuine Volkswagen parts for the repair.

6. Will resetting the check engine light resolve the OBDII code P0071 in my Volkswagen?

- Resetting the check engine light may temporarily turn off the warning indicator, but the underlying issue causing the code will still need to be addressed to prevent it from reoccurring.

7. How much does it cost to fix the OBDII code P0071 in a Volkswagen?

- The cost of fixing this code can vary depending on the extent of the damage and the labor rates of the repair shop. It is recommended to obtain quotes from reputable mechanics or Volkswagen dealerships.

8. Can a DIY enthusiast repair the OBDII code P0071 in a Volkswagen?

- While some DIY enthusiasts may have the skills to replace the ambient air temperature sensor or repair wiring, it is recommended to have the issue diagnosed by a professional to ensure the correct repair is performed.

9. Are there any preventative maintenance tips to avoid OBDII code P0071 in a Volkswagen?

- Regularly inspecting the ambient air temperature sensor and its wiring for signs of wear or damage can help prevent the occurrence of this code. Additionally, keeping the sensor clean and free from debris can help maintain its functionality.

10. How long does it take to fix the OBDII code P0071 in a Volkswagen?

- The repair time for this code can vary depending on the extent of the damage and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the issue.