A basic code reader that sells for less than $50 may be fine for reading “generic” diagnostic trouble codes, but it may not read “OEM” or “enhanced” codes that are vehicle specific. These are self-checks that the OBD II system runs to make sure the vehicle is operating properly and is running clean.
1. OBD1 is connected to the console of a car, while OBD2 is remotely connected to the vehicle. 2. OBD1 was used during the earlier years of the car manufacturing industry, while OBD2 was only introduced in car models produced in the early 1990's.
5 Best Automotive Scan Tools for Easy Car Diagnostics
- #1 – BlueDriver Bluetooth Professional OBDII Scanner.
- #2 – Autel MaxiCOM MK808 OBD2 Scan Tool.
- #3 – Autel Maxisys Elite Professional Auto Diagnostic Tool.
- #4 – Autel Maxisys Pro MS908P.
- #5 – Foxwell NT510 BMW OBD1 & 2 Car Scanner and Code Reader.
- 1996 or newer model year vehicle sold in the United States. United States legislation requires all cars and light trucks model year (MY) 1996 and newer to be OBD-II compliant.
- 2001 or newer model year gasoline vehicle sold in the European Union.
- 2004 or newer model year diesel vehicle sold in the European Union.
The Best Way to Clear OBD2 Codes (with a scanner)Any kind of scanner will do, as long as the scan tool can read, diagnose, and erase trouble codes.
Editor's Pick: BAFX Products Bluetooth Diagnostic OBD2 Scanner. The device provides users with an easy setup so that even beginners can diagnose and check their vehicles on their own, and can even be made to work more smoothly using third-party applications like the Torque Pro.
Yes, we can help you clear your code; it's called telling you how to fix your damn car. Like others have said, even after clearing it, the light will come back on within 30-50 miles of driving.
Autozone's free diagnostic check is not extremely reliable. What they refer to as a "diagnostic check" is just having a code scanner hooked up to the vehicle's computer. The scanner reads through and finds out what error codes the computer system has registered.
Low oil pressure is a common cause of a check engine light turning on, and it can seriously interfere with your car's performance. Usually, if this is the case, your oil light will also appear. In any case, low enough oil pressure will disable your vehicle, so get this repaired immediately.
Free TestingWe'll check your alternator, starter, battery and more.
At a local auto parts storeMost auto parts stores will have an OBD-II scanner on hand to check the OBD-II PID service codes, and will do it for free.
O'Reilly Auto Parts offers free check engine light testing to help you diagnose the problem. Most of our stores can loan you a code reader for OBD 1&2 systems for vehicles from 1996 and up, except in areas where it is prohibited by law.
Free Code ReadingIf you have a problem with your car and you don't know what it is, most auto part stores (such as AutoZone, Pep Boys and Advance Auto Parts) will provide a free diagnostic code reading. It is also called an OBD reading. OBD stands for On Board Diagnostics.
Typically, you can drive your car with the check engine light on as long as it's running smoothly. Even though an illuminated check engine light isn't a great sign, we want to help you understand if you can still drive your car, for how long, and what will happen if you keep driving with the check engine light on.
2 Answers. The light can clear itself. For instance if you leave the gas cap off when refueling, the light will come on and a code will be entered into the computer memory. Once the cap is put back on and a drive cycle occurs where the computer can detect that everything is good, the light will go off.
The best place to rent or borrow an on-board diagnosics (OBD or OBD II) scanner is often at a mechanic's office or garage. Scanning may or may not be a free service that they will offer. In some cases, the plugs for an OBD II scanner will be under the hood, while with some cars the plugs will be under the dashboard.
No voltage spike happens at the OBD port during start. It's fine to leave something plugged in.
Always turn the ignition on or have the car running according to the instructions in the manual. Failure to do this might corrupt the scanning software. It's also very important that you drive around with the manual for the specific scanner model that you're using.
TOP PICK!
- Ford VCM 2 (Toughbook Dealer Package) No other OBD2 reader allows as many diagnostics and customizations.
- Launch X431 Creader VII+ (CRP123) Playback is a nice feature for reviewing data.
- Autel Maxidas DS808.
- TOAD.
- Foxwell NT624PRO.
What does a car diagnostic test tell you? Today's modern vehicles have computer processors, microchips and sensors so if you want to know what is really going on inside your vehicle, a diagnostics test can reveal problems associated with the engine and transmission, oil and gas tanks, exhaust system, and other systems.
Read CodesNever buy a car without reading the codes. Get an OBD-II scanner and read the codes via the diagnostic port under the dashboard. A basic scanner can tell you a lot about the engine. If the check engine light is on, you will have the code which you can research on your phone.
Disconnecting the battery will clear the error codes and reset the check engine light.
Loan-a-Tools
- Loaner Ball Joint Press Adapter.
- Loaner Torque Wrench.
- Loaner Inner Tie Rod End Tool.
- Loaner Harmonic Balancer Installer.
- Loaner Oxygen Sensor Socket.
- Loaner Fan Clutch Wrench.
- Loaner Impact Wrench.
- Loaner Jaw Attachment Puller.
Rental Tools From The O'Reilly Loaner Tool ProgramO'Reilly Auto Parts' Loaner Tool Program provides tools for rent for a number of different jobs and specialty repairs. Come pick it up again, or feel free to just keep the rental tool once you've paid your deposit. The deposit is also the purchase price.
To borrow a tool, just pick the tool you want at the closest store or on AutoZone.com and checkout. Whether you're working on something heavy like steering or suspension, or running a diagnostic as you check for pressure or leaks, our Loan-A-Tool program can help you get the job done right the first time.
The best place to rent or borrow an on-board diagnosics (OBD or OBD II) scanner is often at a mechanic's office or garage. Scanning may or may not be a free service that they will offer. With rental centers available in most of our stores nationwide, we make renting tools easy.
Floor Jack Rental AutozoneIts customers have come to appreciate the company's loan-a-tool services which allow them to rent any heavy-duty equipment.
If the car is cranking, but won't start, use an OBD2 scanner to find out if there are any stored trouble codes in the trouble code memory. Most cars after 1998 have an OBD2 system which makes it very easy to read the trouble codes. You can find the information about the trouble codes in OBD2 codes.
The best place to
rent or borrow an on-board diagnosics (
OBD or
OBD II)
scanner is often at a mechanic's office or garage.
At a local auto parts store
- Advance Auto Parts.
- AutoZone.
- Napa Auto Parts.
- O'Reilly Auto Parts.
- Pep Boys Auto Parts.
Unfortunately, the only way to check whether or not the problem is with the ABS is to go and get the codes of your car read. AutoZone can scan your codes as part of our Fix Finder service, or you can do it yourself if you already have a scan tool. Having the codes read assists in determining what the actual problem is.
The best OBD2 scanner overallThe CarScan Pro delivers pro-grade functionality at a consumer price. This dedicated OBD2 scan tool works on nearly all German, Japanese and American-made cars built for North America after 1996. It can decipher virtually every diagnostic trouble code, or DTC, that a car can generate.
