CATI

JUNE 12, 2025

Module reprogramming refers to updating or reconfiguring the software in a vehicle’s electronic control unit (ECU) or other onboard modules. Here’s a closer look at why understanding module reprogramming is a must for today’s graduates and how CATI school prepares students for this important task. What Is Module Reprogramming?

Automotive 73

Automotive Software Emissions Testing Manufacturing 73

RepairSmith

OCTOBER 28, 2024

This happens when the sensor sends incorrect pressure readings to the electronic control module (ECM). Emission issues: The FTP sensor is a vital part of the EVAP system, so if it malfunctions, it can fail to detect vapor leaks. The vehicle will likely fail an emissions test since the EVAP system captures and controls fuel vapors.

IT 52

IT Check Engine Light Auto Repair Shop Engineering 52

RepairSmith

MARCH 28, 2024

This system traps and reroutes fuel vapor to the engine, reducing harmful emissions and improving fuel efficiency. What’s the purge valve’s function in the emissions system? The ECU (Electronic Control Unit) opens and closes the canister purge valve to control the vapor flow. How Do You Diagnose a Bad Purge Valve?

Check Engine Light 52

Check Engine Light Emissions Testing Engineering Mechanic 52