AutoCodes – Infiniti – P17F1 Infiniti

P17F1 Infiniti Code - CVT Judder

Quick Answer

The Engine Control Module (ECM) (Engine and CVT Integrated Control) monitors the Continuously Variable Transmission (CVT). Common causes include Faulty Continuously Variable Transmission (CVT) assembly, CVT harness is open or shorted, CVT 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: P17F1 Infiniti indicates CVT Judder.
Common causes: Common causes include Faulty Continuously Variable Transmission (CVT) assembly, CVT harness is open or shorted, CVT 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 14,440

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 Apr 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P17F1 Infiniti Description

The Engine Control Module (ECM) (Engine and CVT Integrated Control) monitors the Continuously Variable Transmission (CVT). The ECM sets the OBDII code when the CVT is not to factory specifications.

OBDII Code P17F1 Infiniti - CVT Judder - AutoCodes.com — P17F1 Infiniti Code - CVT Judder

What does this mean?

What are the Possible Causes of the DTC P17F1 Infiniti?

Faulty Continuously Variable Transmission (CVT) assembly
CVT harness is open or shorted
CVT circuit poor electrical connection

How to Fix the DTC P17F1 Infiniti?

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 P17F1 Infiniti 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 P17F1 Infiniti code?

Need more information on how to fix the P17F1 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17F1 Infiniti 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 P17F1 Infiniti Code

1. What does the OBDII code P17F1 mean on an Infiniti?

P17F1 indicates a "CVT Judder," meaning the Continuously Variable Transmission (CVT) is experiencing irregular vibrations or shuddering during operation.

2. What are the common symptoms of a P17F1 code in an Infiniti?

Symptoms include transmission shuddering during acceleration, hesitation, reduced performance, and in some cases, the vehicle entering "limp mode."

3. What causes the P17F1 code in Infiniti vehicles?

The most common causes are worn CVT belts, contaminated transmission fluid, or internal transmission component failures such as the torque converter or pulleys.

4. Can driving with a P17F1 code damage my vehicle?

Yes, ignoring the issue can lead to further damage to the CVT, potentially resulting in costly repairs or even complete transmission failure.

5. How is the P17F1 code diagnosed?

A technician will scan the vehicle for stored codes, perform a road test to replicate the shuddering, and inspect the CVT fluid for contamination or wear.

6. Is the P17F1 code repairable without replacing the CVT?

In some cases, a fluid change or software update can resolve the issue. However, severe cases may require replacing or rebuilding the transmission.

7. What is the cost to fix a P17F1 code on an Infiniti?

The cost varies based on the severity of the problem. Fluid changes and software updates may cost $200-$400, while a transmission replacement can exceed $4,000.

8. Can a CVT software update fix the P17F1 code?

Yes, if the issue is related to calibration, a software update from the manufacturer may resolve the judder without mechanical repairs.

9. How can I prevent the P17F1 code in the future?

Regular CVT fluid changes, avoiding aggressive driving, and adhering to the manufacturerâ€™s maintenance schedule can help prevent transmission issues.

10. Are there any recalls or extended warranties for the P17F1 code on Infiniti vehicles?

Some Infiniti vehicles have extended warranties for CVT issues. Check with your dealership to see if your vehicle qualifies for a repair under warranty.