AutoCodes – Generic – P17F2

P17F2 Code - Ratio Monitoring Clutch 'A' and 'B'

Quick Answer

The Transmission Control Module (TCM) monitors the Clutch Ratio. Common causes include Transmission Mechanical Problems, Faulty Transmission Assembly. 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: P17F2 indicates Ratio Monitoring Clutch 'A' and 'B'.
Common causes: Common causes include Transmission Mechanical Problems, Faulty Transmission Assembly.
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 9,024

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 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P17F2 Description

The Transmission Control Module (TCM) monitors the Clutch Ratio. The TCM sets the OBDII code when the Clutch Ratio is not to factory specifications.

OBDII Code P17F2 - Ratio Monitoring Clutch 'A' and 'B' - AutoCodes.com — P17F2 Code - Ratio Monitoring Clutch 'A' and 'B'

What does this mean?

What are the Possible Causes of the DTC P17F2?

Transmission Mechanical Problems
Faulty Transmission Assembly

How to Fix the DTC P17F2?

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 P17F2 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 P17F2 code?

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Need Help with the Code?

Get the P17F2 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P17F2 BMW — Ratio Monitoring Clutch 'A' and 'B'
P17F2 Infiniti — CVT Judder
P17F2 MINI — Ratio Monitoring Clutch 'A' and 'B'
P17F2 Nissan — CVT Judder

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 P17F2 Code

1. What are the common symptoms of OBDII code P17F2 (Ratio Monitoring Clutch 'A' and 'B')?

The common symptoms of this code include transmission slippage, harsh shifting, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code P17F2?

Possible causes of this code can include a malfunctioning clutch 'A' or 'B', low transmission fluid levels, a faulty transmission control module (TCM), or wiring issues.

3. How can I diagnose OBDII code P17F2?

Diagnosing this code typically involves using a professional OBDII scanner to retrieve the trouble codes, conducting a visual inspection for any visible damage, and performing further tests on the clutch components and transmission system.

4. What are some repair tips for addressing OBDII code P17F2?

Repair tips for this code may include checking and topping up transmission fluid levels, inspecting and replacing damaged wiring or connectors, testing and potentially replacing the clutch 'A' and 'B' components, or resetting the TCM.

5. Can I continue driving with OBDII code P17F2 present?

It is not recommended to continue driving with this code active, as it can lead to further damage to the transmission system and potentially result in a complete transmission failure.

6. How much does it typically cost to repair OBDII code P17F2?

The cost of repairing this code can vary depending on the underlying issue, but it may range from a few hundred to over a thousand dollars, especially if major components like the clutch or TCM need to be replaced.

7. Can I reset OBDII code P17F2 with a simple DIY method?

While you can attempt to clear the code using a basic OBDII scanner, it is important to address the root cause of the issue to prevent the code from reoccurring.

8. Is OBDII code P17F2 specific to certain vehicle makes and models?

This code can be specific to certain vehicle makes and models, particularly those equipped with automatic transmissions and advanced diagnostic systems capable of detecting clutch performance issues.

9. Are there any preventive maintenance steps to avoid OBDII code P17F2 in the future?

Regularly servicing the transmission, checking and maintaining proper fluid levels, and addressing any unusual symptoms promptly can help prevent the occurrence of this code in the future.

10. How urgent is it to address OBDII code P17F2 once it appears?

It is recommended to address this code as soon as possible to prevent further damage to the transmission system and ensure the safe operation of the vehicle.