AutoCodes – Audi – P174F Audi

P174F Audi Code - Valve 4 In The Sub-Gearbox 2 Electric Fault

Quick Answer

The Engine Control Module (ECM) monitors the Valve 4 In The Sub-Gearbox 2. Common causes include Faulty Valve 4 In The Sub-Gearbox 2, Valve 4 In The Sub-Gearbox 2 harness is open or shorted, Valve 4 In The Sub-Gearbox 2 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: P174F Audi indicates Valve 4 In The Sub-Gearbox 2 Electric Fault.
Common causes: Common causes include Faulty Valve 4 In The Sub-Gearbox 2, Valve 4 In The Sub-Gearbox 2 harness is open or shorted, Valve 4 In The Sub-Gearbox 2 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 7,952

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 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P174F Audi Description

The Engine Control Module (ECM) monitors the Valve 4 In The Sub-Gearbox 2. The ECM sets the OBDII code when the Valve 4 In The Sub-Gearbox 2 is not to factory specifications.

OBDII Code P174F Audi - Valve 4 In The Sub-Gearbox 2 Electric Fault - AutoCodes.com — P174F Audi Code - Valve 4 In The Sub-Gearbox 2 Electric Fault

What does this mean?

What are the Possible Causes of the DTC P174F Audi?

Faulty Valve 4 In The Sub-Gearbox 2
Valve 4 In The Sub-Gearbox 2 harness is open or shorted
Valve 4 In The Sub-Gearbox 2 circuit poor electrical connection

How to Fix the DTC P174F 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 P174F 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.

Need more information about the P174F Audi code?

Need more information on how to fix the P174F Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P174F Audi 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 P174F Audi Code

1. What are the common symptoms of OBDII code P174F in an Audi related to Valve 4 in the Sub-Gearbox 2 Electric Fault?

Symptoms may include rough shifting, transmission slipping, poor acceleration, and possibly an illuminated check engine light.

2. What can cause the OBDII code P174F in an Audi, specifically related to Valve 4 in the Sub-Gearbox 2 Electric Fault?

Potential causes may include a faulty valve body, damaged wiring or connectors, low transmission fluid level, or internal transmission issues.

3. How serious is the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault in an Audi?

Ignoring this code can lead to further damage to the transmission and potentially result in complete transmission failure if not addressed promptly.

4. Can I continue driving my Audi with the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault?

It is not recommended to drive the vehicle with this code present, as it can cause further damage to the transmission and result in costly repairs.

5. How can I diagnose the OBDII code P174F in my Audi related to Valve 4 in the Sub-Gearbox 2 Electric Fault?

Diagnosis typically involves using a professional OBDII scanner to read the code, inspecting the transmission components, and conducting electrical tests to pinpoint the issue.

6. What are some possible repair options for fixing the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault in an Audi?

Repairs may include replacing the faulty valve body, repairing damaged wiring or connectors, flushing and refilling the transmission fluid, or rebuilding the transmission if necessary.

7. Is it possible to reset the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault in an Audi without addressing the underlying issue?

Resetting the code without fixing the root cause will only temporarily clear the check engine light, as the issue will persist and trigger the code again.

8. How much does it typically cost to repair the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault in an Audi?

Repair costs can vary depending on the extent of the damage and the specific repairs needed, but it is advisable to consult with a professional mechanic for an accurate estimate.

9. Can a DIY enthusiast with automotive experience fix the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault in an Audi?

While some minor repairs may be possible for experienced DIYers, diagnosing and repairing transmission issues, especially electrical faults, often require specialized tools and expertise best left to professional mechanics.

10. How can I prevent the OBDII code P174F related to Valve 4 in the Sub-Gearbox 2 Electric Fault from occurring in my Audi?

Regular maintenance, such as checking transmission fluid levels, addressing any leaks promptly, and following the manufacturer's recommended service intervals, can help prevent such issues from arising.