Check Engine Light With Code P0172 and/or P0175 on Lexus IS250

Submitted by Jim Taddei · Apr 7, 2026

Published by RepairPal

Problem overview

The Check Engine Light may illuminate with code P0172 and/or P0175 stored. Our technicians tell us a powertrain control module (PCM) software update is available which may correct this concern.

2 people reported this problem

0 comments

Schedule Repair

Lexus IS250 vehicles with this problem

2 model years affected

Average mileage: 16,890 miles

(16,890 - 16,890)

Search for another problem

RepairPal ™Car Genius

Ask our experts about your Lexus.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

Find a Repair Location

Terms·Privacy·Cookie Policy

Verifiable Consumer Access and Deletion Request Form

Check Engine Light With Code P0172 and/or P0175 on Lexus IS250

Problem overview

Lexus IS250 vehicles with this problem

Need a diagnosis? Trust our Lexus experts.

Search for another problem

Ask our experts about your Lexus.

Need a diagnosis? Trust our Lexus experts.

Tuffy Tire & Auto Service Center - Grandview

All In Auto Service

Tuffy Tire & Auto Service - Grove City

Blackstone Complete Auto Care