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Mechanics use computer diagnostics to get an in-depth look at your car’s internal systems. This innovative approach helps them identify which type of auto repair your vehicle needs. Use this guide to learn more about this essential task.

Why Do Cars Need Computer Diagnostics?

Car manufacturers use the same technology that’s inside a laptop or smartphone. Modern vehicles are controlled by microprocessors, which are responsible for sending signals to the car’s various systems. These tiny computers can also detect problems inside your vehicle and notify you by illuminating the dashboard icons.

auto repairWhen mechanics plug directly into the car’s microprocessor, they can get to the root of the problem in a fraction of the time it would take to manually inspect the various components. This, in turn, decreases the duration of the tuneup, helping you save money.

How Do Computer Diagnostics Tests Work?

The powertrain control module (PCM) inside the car keeps track of each part’s operations. When something goes wrong, the PCM records the irregularity as a DTC, or diagnostic trouble code. This is the code that your mechanic will be looking for during the diagnostic test.

To access the DTC, mechanics need to connect their computer diagnostic tools to the portal beneath the driver’s side of the dashboard. If a DTC appears, they’ll use this code to conduct further testing. For example, a code may indicate an issue with the exhaust system. From there, the technician will know which tools to use to further inspect these components. This streamlines the auto repair process by directing mechanics to the malfunctioning part or system immediately.

 

If your dashboard has an illuminated warning light, turn to Professional Automotive in Anchorage, AK. These ASE-certified technicians have helped drivers identify and fix their auto issues for over 25 years. They use top-of-the-line equipment and are familiar with both domestic and foreign vehicles. To learn more about their auto repair services, visit the website or call (907) 562-2471.

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