AutoCodes – Audi – P0712 Audi

P0712 Audi Code - Transmission Fluid Temperature Sensor Low Input

Quick Answer

The ATF (Automatic Transmission Fluid) Temperature Sensor converts the fluid temperature into a resistance value. Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid 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: P0712 Audi indicates Transmission Fluid Temperature Sensor Low Input.
Common causes: Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid 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 5,036

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0712 Audi Description

The ATF (Automatic Transmission Fluid) Temperature Sensor converts the fluid temperature into a resistance value. The sensor resistance changes with the transmission fluid temperature. As the temperature becomes higher, the sensor resistance decreases. The Transmission Control Module (TCM) monitors the ATF (Automatic Transmission Fluid) Temperature Sensor signal. The TCM sets the OBDII code when the ATF (Automatic Transmission Fluid) Temperature Sensor signal is out of factory specifications.

OBDII Code P0712 Audi - Transmission Fluid Temperature Sensor Low Input - AutoCodes.com — P0712 Audi Code - Transmission Fluid Temperature Sensor Low Input

What does this mean?

What are the Possible Causes of the DTC P0712 Audi?

Faulty Transmission Fluid Temperature Sensor
Transmission Fluid Temperature Sensor harness is open or shorted
Transmission Fluid Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0712 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 P0712 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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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 P0712 Audi Code

1. What does the OBDII code P0712 mean in an Audi?

P0712 indicates that the transmission fluid temperature sensor is reporting a reading that is too low, suggesting a possible fault in the sensor, wiring, or related components.

2. What are the common symptoms of P0712 in an Audi?

Symptoms may include erratic or harsh shifting, the transmission going into limp mode, poor fuel efficiency, or the check engine light being illuminated.

3. What causes the P0712 code to appear in an Audi?

Causes may include a faulty transmission fluid temperature sensor, damaged or corroded wiring or connectors, low transmission fluid levels, or a malfunctioning transmission control module (TCM).

4. Can I drive my Audi with the P0712 code active?

It is not recommended to drive with this code active for an extended period, as improper transmission fluid temperature readings can lead to transmission damage and reduced performance.

5. How do I diagnose the P0712 code in my Audi?

Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors for the temperature sensor, and testing the sensor itself for proper functionality.

6. How do I fix the P0712 code in my Audi?

Repairs may involve replacing the transmission fluid temperature sensor, repairing or replacing damaged wiring, or ensuring the transmission fluid is at the correct level and free of contaminants.

7. How much does it cost to repair the P0712 code in an Audi?

Repair costs can vary but generally range from $150 to $400, depending on whether the issue is with the sensor, wiring, or fluid.

8. Can low transmission fluid cause the P0712 code in an Audi?

Yes, low transmission fluid can cause incorrect temperature readings, triggering the P0712 code.

9. What happens if I ignore the P0712 code in my Audi?

Ignoring this code can lead to further transmission issues, such as overheating, poor performance, or even transmission failure.

10. How can I prevent the P0712 code from occurring in my Audi?

Regular maintenance, including checking and changing the transmission fluid and inspecting the sensor and wiring, can help prevent this code from occurring.