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Check engine light · Engine codes

P17F1: CVT Judder (Control Valve Inspection)

Powertrain · ManufacturerP17F1
Get it fixed soon
What it means

On Nissans with a CVT, the transmission computer detected judder.

How serious

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

Where a shop starts

Control valve (valve body) fault. Then: worn CVT belt or chain; software (Nissan bulletins).

Owners named P17F1 in 25 complaints to the U.S. government, most often on the Nissan Altima.

Cars owners report it on

Complaints that name P17F1, by model. Raw counts, not a failure rate: popular models get more complaints.

The details

What P17F1 means

On Nissans with a CVT, the transmission computer detected judder. Nissan's repair steps for this code inspect the control valve (valve body) and the CVT's belt or chain.

This meaning applies to Nissan, Infiniti. On other makes P17F1 can mean something different.

Can I drive with P17F1?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

28% of the owner complaints that name P17F1 also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P17F1
  • Control valve (valve body) fault
  • Worn CVT belt or chain
  • Software (Nissan bulletins)

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Loses power or goes into limp mode: 28% of complaints
  • Transmission slips or shifts hard: 24% of complaints
  • Shakes, runs rough or misfires: 20% of complaints
  • Stalls or shuts off: 12% of complaints

Share of complaints naming the code whose text also mentions each problem.

Model years that report P17F1 most

2013 Nissan Altima (3), 2015 Nissan Murano (3), 2016 Nissan Quest (2), 2019 Infiniti QX60 (2), 2014 Nissan Altima (2), 2017 Nissan Maxima (2).

Related codes

P17F0 P1778 P1744 P1702

Quick answers

What does P17F1 mean?

CVT Judder (Control Valve Inspection). On Nissans with a CVT, the transmission computer detected judder. Nissan's repair steps for this code inspect the control valve (valve body) and the CVT's belt or chain.

Can I drive with P17F1?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

What causes P17F1?

Control valve (valve body) fault; Worn CVT belt or chain; Software (Nissan bulletins).

Counts: NHTSA owner complaints whose text names P17F1. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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