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P17F1 Infiniti Code - CVT Judder

Quick Answer

The P17F1 diagnostic trouble code for Infiniti vehicles specifically refers to CVT (continuously variable transmission) judder. Common causes include Low or contaminated transmission fluid, Worn-out clutch plates or pulleys, Faulty electronic control unit. 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 Low or contaminated transmission fluid, Worn-out clutch plates or pulleys, Faulty electronic control unit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P17F1 Infiniti Description

The P17F1 diagnostic trouble code for Infiniti vehicles specifically refers to CVT (continuously variable transmission) judder. This issue can cause noticeable vibrations or shuddering during acceleration or when driving at certain speeds, particularly in vehicles equipped with a CVT transmission.

OBDII Code P17F1 Infiniti - CVT Judder
P17F1 Infiniti Code - CVT Judder

Common Causes of P17F1 Infiniti

  1. Low or contaminated transmission fluid
  2. Worn-out clutch plates or pulleys
  3. Faulty electronic control unit
  4. Mechanical damage to the transmission system
  5. Overheating of the transmission components

Symptoms of P17F1 Infiniti

  1. Vibrations or shuddering during acceleration
  2. Jerking or hesitation when shifting gears
  3. Decreased fuel efficiency
  4. Unusual noises coming from the transmission
  5. Illumination of the Check Engine Light

How to Fix P17F1 Infiniti

  1. Check and replace the transmission fluid if it is low or contaminated.
  2. Inspect and replace any worn-out clutch plates or pulleys.
  3. Diagnose and repair any electronic control unit malfunctions.
  4. Perform a thorough inspection of the transmission system for any mechanical damage.
  5. Address any overheating issues by checking the cooling system and ensuring proper ventilation for the transmission components.

Cost to Fix P17F1 Infiniti

The typical repair costs for addressing CVT judder in an Infiniti vehicle can range from $500 to $1500, depending on the extent of the damage and the specific components that need to be replaced. This estimate includes parts and labor costs. However, it's important to note that the actual cost may vary based on factors such as the location of the repair shop, the vehicle's make and model, and the type of engine. Additionally, labor rates can vary between different auto repair shops, with rates typically ranging between $80 and $150 per hour. For a more accurate estimate, it's recommended to consult with local repair shops.

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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 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 manufacturer’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.

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