Any kind of scanner will do, as long as the scan tool can read, diagnose, and erase trouble codes. This is because the technology is a good way to diagnose certain problems in cars. Reconnect the battery cable to the car battery. At the first sign of a check engine light, the first important step is DO NOT PANIC! Once you have a DTC, the OBD2 reader … By this time, the check engine light should be OFF. Any kind of scanner will do, as long as the scan tool can read, diagnose, and erase trouble codes. This resets the engine codes in some vehicles, though it also interrupts other functions, such as the clock and the radio settings. The simplest way to understand the code if the OBD2 reader doesn’t specify its purpose is to check it online. However, buying a well-functioning scanner does not have to cost you thousands of dollars. If you clear the codes yourself without determining the source of the trouble code, you will only be wasting your time and patience. They do not provide live data or tell you which diagnostic monitors have failed or completed successfully. The plug functions as a computer interface. Is your Check Engine Light (MIL) on and you need to clear it? Take the guesswork off and get yourself a reliable OBD2 scanner. Connect your vehicle's diagnostic terminal, usually called the Assembly Line Diagnostic Link (ALDL), to a code scanner and turn the ignition on. The Best Way to Clear OBD2 Codes (with a scanner) In order to properly clear or erase OBDII codes, it is better to use a scanner. On many cars, the engine control module (ECM)—also called the engine control unit or electronic control unit (ECU) or powertrain control module (PCM)—is on the same fuse circuit as other electrical devices, such as the cigarette lighter or accessory port. ANCEL AD310 is a beginner friendly OBD2 scanner with classic design, fast scan, and clear trouble codes. You see, now you can buy scanners for about $20 bucks like the FOSEAL or BAFX that do what old school Snap On scanners that cost $1,000 did. Engage the parking brake and pop open the hood. You’ve been warned. Make sure to tighten the clamps sufficiently. I hope you enjoy our site! It allows you to read and clear fault codes from multiple BMW systems, including chassis and body modules. The scanner reads the codes stored in the computer and then gives you the option to clear them. As an Amazon Associate I earn from qualifying purchases. But simply disconnecting the battery will not get rid of OBD2 fault codes. Start with the red positive terminal followed by the black negative terminal. If you have any questions, please Contact Us. The vehicle ECU basically governs every electronic gadget in the vehicle. Resetting OBD2 codes without a scanner takes just a few simple steps. These are mostly associated with fuel, speed. Clearing the code after the repairs is highly important. It really doesn’t matter if you have a wired or wireless scanner. Nope, that’s not the case anymore. The Udiag CR600 engine error code reader can read engine fault codes, clear trouble codes, turn off the “check engine” light, as well as view both live and freeze frame data for all OBDII-compliant U.S., European and Asian vehicles. ArtiLink 500’s OBD database has many of the manufacturer specific codes that … Innova 3120RS OBD2 Code Reader/Scan Tool with ABS and SRS can identify engine, braking and safety problems in OBD2 vehicles (1996 and newer) and popular OBD1 (1981-1995) vehicles View Details Innova 3130RS OBD2 Code Reader/Scan Tool with ABS, SRS & Network Scan Reconnect, using the positive first and then the negative. It can read and clear trouble codes from transmission, engine, ABS, and airbag systems. We've got something to make you aware of. This OBD2 scanner shows live car data, can graph it and lets you print it. 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