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[3] [5] In the past, these dealership-only tools have prevented owners, and many small independent repair shops from performing some fundamental tasks, such as diagnosing problems, diesel ignition timing, modification of convenience options such as automatic door unlocking, coding a replacement electronic control unit (ECU) or key to the ...
When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem detected. The code is usually a combination of letters and numbers. DTC codes are read by a diagnostic tool, such as an OBD 2 scanner, which is plugged into the vehicle's diagnostic port. The tool communicates with the ...
Early versions of OBD would simply illuminate a tell-tale light if a problem was detected, but would not provide any information as to the nature of the problem. Modern OBD implementations use a standardized digital communications port to provide real-time data and diagnostic trouble codes which allow malfunctions within the vehicle to be ...
This $20 scanner connects to your car's computer system to diagnose problems. Patrick Hearn. June 7, 2023 at 5:01 PM. ... No problem. You can sign up for your free 30-day trial here.
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Most people know the flash of dread you get when the little light of doom comes on in your car, signaling a problem. Car trouble typically means spending money that you weren't expecting to ...