AutoCodes – Generic – P179F

P179F Code - Sensor For Transmission Range Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the Transmission Range Sensor. Common causes include Faulty Transmission Range Sensor, Transmission Range Sensor harness is open or shorted, Transmission Range 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: P179F indicates Sensor For Transmission Range Malfunction.
Common causes: Common causes include Faulty Transmission Range Sensor, Transmission Range Sensor harness is open or shorted, Transmission Range 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 2,586

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P179F Description

The Engine Control Module (ECM) monitors the Transmission Range Sensor. The ECM sets the OBDII code when the Transmission Range Sensor is not to factory specifications.

OBDII Code P179F - Sensor For Transmission Range Malfunction - AutoCodes.com — P179F Code - Sensor For Transmission Range Malfunction

What does this mean?

What are the Possible Causes of the DTC P179F?

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

How to Fix the DTC P179F?

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 P179F 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 P179F code?

Need more information on how to fix the P179F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P179F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P179F Audi — Sensor For Transmission Range Malfunction
P179F Volkswagen — Sensor For Transmission Range Malfunction

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 P179F Code

1. What are the common symptoms of OBDII code P179F (Sensor For Transmission Range Malfunction)?

- Common symptoms include erratic shifting, difficulty shifting gears, and the transmission getting stuck in a particular gear.

2. What can cause the OBDII code P179F to trigger?

- The code P179F can be triggered by a faulty transmission range sensor, damaged wiring or connectors related to the sensor, or internal transmission issues.

3. How serious is the OBDII code P179F?

- The code P179F should be addressed promptly as it can lead to drivability issues and potential damage to the transmission if left unresolved.

4. How can I diagnose the cause of OBDII code P179F?

- A thorough inspection of the transmission range sensor, wiring, and connectors is necessary to diagnose the cause of the code P179F. Additionally, conducting a transmission scan may help pinpoint the issue.

5. Can I still drive my vehicle with the OBDII code P179F present?

- It is not recommended to drive your vehicle with the OBDII code P179F present, as it can result in further damage to the transmission or safety hazards on the road.

6. How much does it typically cost to repair the OBDII code P179F?

- The cost of repairing the OBDII code P179F can vary depending on the underlying cause. It may range from a few hundred to over a thousand dollars, including parts and labor.

7. Can I reset the OBDII code P179F myself?

- While you can reset the code using an OBDII scanner, it is crucial to address the root cause of the issue to prevent the code from reoccurring.

8. Are there any DIY repair tips for fixing the OBDII code P179F?

- DIY repair for the code P179F may involve checking and cleaning the transmission range sensor and its connections. However, for more complex issues, it is recommended to seek professional help.

9. How long does it take to repair the OBDII code P179F?

- The repair time for the OBDII code P179F can vary based on the specific cause and required repairs. It may take a few hours to a full day to address the issue effectively.

10. Can a faulty transmission range sensor cause other problems besides triggering the OBDII code P179F?

- Yes, a faulty transmission range sensor can cause other issues such as incorrect gear selection, harsh shifting, and even prevent the vehicle from starting in some cases.