Course Handout

VS326

Unlocking the Secrets of P0420 & P0430: Expert Solutions for Automotive Professionals

P0420 and P0430 are some of the most common Diagnostic Trouble Codes (DTC) that a technician will find after connecting a scan tool, but what exactly do these codes mean? In this course, learn how the problems (and solutions) related to these codes can extend far beyond the catalytic converter(s). Reduce diagnostic time and resolve DTCs with confidence using the explanations, strategies and tests presented in this essential class.

What you will learn:

  • Understand the causes and implications of common diagnostic trouble codes like P0420 and P0430

  • Apply advanced diagnostic tools and techniques to accurately identify and address issues

  • Analyze real-world case studies to understand the practical application of diagnostic methods

  • Gain expertise in evaluating catalytic converters for efficiency and performance, plus strategies to prevent recurring issues

Watch a short tutorial on how to take notes directly within the PDF, right in your browser.

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Earn 100 points on Dorman Rewards by emailing rewards@dormanproducts.com after completing this training course!

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Personalized Automotive Training for Your Shop

Give your technicians the skills they need to excel. Our automotive training programs can be customized specifically for your shop, focusing on advanced diagnostics, cutting-edge repair techniques, and the latest automotive technology. Whether in-person or online, our expert instructors will work with your team to enhance efficiency, decrease return rates, and keep your shop ahead of the competition.

Meet Our Trainers

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