AutoCodes – Volkswagen – P0070 Volkswagen

P0070 Volkswagen Code - Ambient Air Temperature Sensor Circuit

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: P0070 Volkswagen indicates Ambient Air Temperature Sensor Circuit.
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 28,673

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 P0070 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 P0070 Volkswagen - Ambient Air Temperature Sensor Circuit - AutoCodes.com — P0070 Volkswagen Code - Ambient Air Temperature Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P0070 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 P0070 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 P0070 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.

Need more information about the P0070 Volkswagen code?

Need more information on how to fix the P0070 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0070 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 P0070 Volkswagen Code

1. What are the common symptoms of OBDII code P0070 in a Volkswagen related to the Ambient Air Temperature Sensor Circuit?

- Common symptoms include inaccurate temperature readings on the dashboard, issues with the vehicle's climate control system, and potential effects on engine performance.

2. What are the possible causes of OBDII code P0070 in a Volkswagen?

- The code P0070 in a Volkswagen is typically triggered by a faulty ambient air temperature sensor, wiring issues, or a malfunction in the sensor's circuit.

3. How can I diagnose the Ambient Air Temperature Sensor Circuit issue causing OBDII code P0070 in my Volkswagen?

- Diagnosis involves checking the ambient air temperature sensor for proper connection, inspecting the wiring for any damage or corrosion, and using a multimeter to test the sensor's resistance.

4. Can a faulty Ambient Air Temperature Sensor Circuit impact the overall performance of my Volkswagen?

- Yes, a malfunctioning ambient air temperature sensor can affect the engine's performance by causing incorrect fuel mixture calculations and potentially leading to decreased fuel efficiency.

5. Is it safe to continue driving my Volkswagen with an OBDII code P0070 related to the Ambient Air Temperature Sensor Circuit?

- While the vehicle may still be operational, it is recommended to address the issue promptly to avoid potential complications with engine performance and the climate control system.

6. How can I repair the Ambient Air Temperature Sensor Circuit issue causing OBDII code P0070 in my Volkswagen?

- Repair typically involves replacing the faulty ambient air temperature sensor, repairing any damaged wiring, and clearing the error code using an OBDII scanner.

7. Can I replace the Ambient Air Temperature Sensor in my Volkswagen myself?

- Replacing the ambient air temperature sensor in a Volkswagen can be a DIY task for those with some mechanical knowledge. However, if unsure, it's best to seek professional help to ensure proper installation.

8. Will resetting the error code fix the Ambient Air Temperature Sensor Circuit issue in my Volkswagen?

- Resetting the error code may temporarily clear the warning, but it will not fix the underlying issue. It's crucial to diagnose and repair the problem to prevent the code from reappearing.

9. Are there any preventive measures I can take to avoid OBDII code P0070 related to the Ambient Air Temperature Sensor Circuit in my Volkswagen?

- Regularly inspecting the sensor and its wiring for damage, ensuring proper connections, and keeping the sensor clean from debris can help prevent issues leading to code P0070.

10. Can extreme weather conditions affect the performance of the Ambient Air Temperature Sensor in my Volkswagen?

- Yes, extreme temperatures can impact the accuracy and functionality of the ambient air temperature sensor, potentially leading to issues triggering OBDII code P0070.