When possible we give the more descriptive name of the component and the more commonly known obd ii component name. With our wide variety of code readers, you can get to the root of the problem in no time. How to read and understand check engine light obdii codes. When the system identifies an issue, it turns on the check engine light and provides realtime data in addition to a standardized series of diagnostic trouble codes or dtcs. See this page for generic obd ii codes they start with p0 recent ford forum discussions. Innova 3020a diagnostic scan tool code reader manuals english.
Pdtcs can only be cleared by the obd ii system once it has verified that the previously identified defects are no. Look up part 5 for diagnostic trouble code definitions. These vehicles all use a common diagnostic connector and a set of universal trouble codes. A broken down car is nothing but a bummer even worse, waiting on a mechanic is also a pain. These obd codes were standardized using sae j2012 and iso 150316 standards which, to our knowledge, contain about 11 000 definitions in the most recent version. List of standard dtc codes used by vehicle manufacturers to identify problems. Two kinds of codes the diagnostic codes that are required by law on all obd ii systems are generic in the sense that all vehicle manufacturers use the same common code list and the same 16pin diagnostic connector. Dtc database obd ii trouble codes definitions for generic powertrain diagnostic trouble codes. For the communication, a small obd adapter is needed in addition. For more details, go to our eobdfacile car diagnostic software page. Obdii codes,eobd fault codes list pdf free download.
The diagnostic trouble codes listed are the most likely definition. Full list of the obd2 dtc from p0000 to p0299 outils obd facile. Generic powertrain trouble codes p0xxx, p2xxx, p34xx p39xx p0001 fuel volume regulator control circuitopen p0002 fuel volume regulator control circuit rangeperformance p0003 fuel volume regulator control circuit low. When retrieving ford check engine light codes with an obd ii scan tool, proceed as follows. Most complete list for ford check engine light codes. Full list of obd i diagnostic trouble codes for your ford vehicle. Permanent diagnostic trouble codes bureau of automotive repair obd inspection failure criteria ccr 3340. Diagnostic trouble codes are set when a fault is present for a sufficient.
Definition of the standard fault codes used in the obd2 norm. It can display onoff ratio fault codes 1986 and later, rpm and lambda sensor values. Obd ii diagnostic trouble codes page 2 created by oemys ultrapower performance introduction. When you are looking at a trouble code for the first time, it may just look like a bunch of numbers or letters. Refer to the applicable workshop manual section to diagnose the body and chassis dtcs. Apr 18, 2018 permanent diagnostic trouble codes bureau of automotive repair obd inspection failure criteria ccr 3340. Read our article on egr valve codes for help with this ford check engine light code p4 egr calibration high p5.
Next time your engine throws a code, turn to autozone for an easytouse code reader or diagnostic tool. Complete list of obd ii diagnostic trouble codes dodge. The obd2 system offers valuable information, including diagnostic trouble codes, when troubleshooting problems. Anything p to p1999 or p3000 to p3400 will be manufacturer specific and may not match the ones listed here.
Every car built since 1996 has an obd computer system that monitors and identifies issues. Onboard diagnostic obd trouble codes are one way your vehicle communicates with a mechanic. Diagnostic trouble codes chart check engine light service. Powertrain dtc charts and descriptions procedure revision date. Pxxxx for powertrain bxxxx for body cxxxx for chassis. Various onoff ratio meters are available that provide access to this type of diagnostic connector. Match the retrieved dtcs with those listed and read the definitions.
The new obd ii hand held can enabled quikcode qc2hhcan works with obd ii compliant vehicles including vehicles with the new can communications interface. Full list of obd ii codes 1996 and newer freeautomechanic. There are two categories of dtcs that apply to obd ii. Erasing the diagnostic trouble codes allows the scan tool to delete not only the codes. Got diagnostic trouble codes dtc obd2 codes and want to know what they. The diagnostic connectors, protocols and their classifications, breakdown of fault codes, and vocabulary used to describe components are detailed in the discussion of the. This obd ii code database is intended to be an easy to use app to begin diagnosing vehicle repairs.
Obd ii system not only sets a code but also records a. P0118 engine coolant temperature ect circuit high input. Mercedes benz code scanner cs ob1511 11 16pole diagnostic connector models 124, 129 1 ground 2 obd pushbutton for on board diagnostic california only 3 cise dm continuous fuel injection system cfi. The purpose of this diagnostic service is to enable the external test equipment scantool, tester to obtain all the confirmed emissionrelated diagnostic trouble codes dtcs. Obd2 standard fault codes full list outils obd facile. Onboard diagnostics obd introduction to the modes of. The idea is to answer all the questions a novice would ask to have basic knowledge about self automobile diagnostics and repairs.
Take manual readings of fuel pressure and compare with specifications. These obd2 codes are stored when a sensor in the car reports a reading that is outside the normalaccepted range eg. The original obd ii hand held quikcode qc2hh is designed to work with obd ii compliant vehicles without can. And if you are not too familiar with it then you need to buy a scanner or a code reader. This data can 54 september 2007 obd ii generic pid diagnosis heres a basic scanner display showing obd ii generic pids. Check specific manufacturer pages on the site, as some of them, we list the obd2 codes on those pages for those specific vehicles. Total car diagnostics car obd diagnostics, ecu chip tuning.
Follow scan tool manufacturers operating instructions to access the diagnostic trouble codes dtcs. Refer to our generic obd ii code list for definitions on all other ford diagnostic trouble codes. If possible, when working on a vehicle either before or after an echeck obd ii test. Obd2 generic faulttrouble codes full list 2019 mechanic base. Obd codes may seem complex, but underneath the letters and numbers, you can identify the general cause of your lit check engine light, allowing you to take the next necessary steps. Bosch automotive service solutions 28635 mound road, warren, mi 48092 usa. Easily diagnose your car problem with code readers and diagnostic tools from autozone. At the same time, the autoscanner provides obd 2 error codes to its screen, if any. Connect scan tool to the 16pin data link connector dlc located underneath the steering column. Trouble codes check engine light trouble codes for old and new cars and trucks. Our obd2 scanners and other diagnostic tools also help you keep track of your previous vehicle repairs. Freeze frame data when an emissions related fault occurs, the. May 01, 2020 the same as regular diagnostic trouble codes dtc, but they cannot be erased by clearing the dtcs with a scan tool or by disconnecting the vehicles battery.
This database contains standard and manufacturer specific diagnostic trouble codes dtcs that are used by some manufacturers to identify vehicle problems. Most complete list for toyota check engine light codes. The codes are defined as to what system is affected. Apr 22, 2020 obd codes fix is best app look up on board diagnostics trouble codes definition. Not all trouble codes will activate mil check engine light before proceeding, make sure the. Autozone is one place that will give you the code number.
Diagnostic trouble code dtc charts and descriptions. Manufacturers can choose to go above and beyond the basics, resulting in manufacturerspecific codes, but the rule of thumb is that you can use any obd ii code. Ford obd i diagnostic trouble codes retrieve and repair. Diagnostic trouble codes or fault codes are obd2 codes that are stored by the onboard computer diagnostic system. Diagnostic trouble codes are used to help determine the cause of a problem or problems with a vehicle. Mercedes benz table of contents mercedes benz diagnostic.
Full list of obd ii diagnostic trouble codes for your vehicle. This is a huge file 48 pages so its probably easiest to use your scroll function to locate the code youre looking for. As the list of generic obd codes is not always sufficient, manufacturers can add as many of their own codes as they need. To find information about a specific trouble code enter it into the. On or after january 1, 20, obd equipped vehicles shall fail the obd inspection if any one of the following conditions occurs as applicable to the vehicle.
For more information on what obd codes are, obdii codes explained, explanation of fuel trims, or answers to other questions, visit our faq area. The obd2 codes list pdf is available on the internet and most of them can be downloaded for free. But, obd2 codes does actually have a logical structure which can be really easy to remember for the next time you are checking the trouble codes in your vehicle. If the trouble code listed does not apply to your vehicle consult your engine or chassis builder. Below you will find a list of the most commonly used codes. Obd diagnostic software communicates with the car and reads the diagnostic information from the car. Having a car may require you to deal with the errors and failure as well. The meanings of the obd1 codes can differ a bit depending on what car model you have, but most of them are the same among all car manufacturers. Categories obd ii faqs tags obd download, obd list. Scan your codes and follow the chart to determine what the code means. Application key on engine off key on engine running continuous memory all go to pinpoint test hk. These are generic codes which may not apply to all vehicles and we recommend. The last 3 digits correspond to an incremented number purple digits. Indicates the sensor signal is greater than selftest maximum.
Dodge motor company group diagnostic trouble codes. On july 1, 2019, a permanent diagnostic trouble code pdtc check was added to the barois smog check inspection. Make sure you connect your wires right, as if you are not careful, it may result in damages to. Complete list of obd ii diagnostic trouble codes dodge ram. Onboarddiagnostic obd trouble codes are one way your vehicle reports self diagnostic results. However, the obd codes will always appear on your scanner when it is plugged into the obd port or data link connector dlc.
Dtc database obdii trouble codes definitions for generic powertrain diagnostic trouble codes. It is free and, using an elm327 or elm323 interface, can be used to read the fault codes. If your check engine light is on you may have a serious problem. All emission related fault codes must be consistent with those described in section 6. Obd2 scanner code reader user manual download topscantool. Interpreting obd codes obd codes may seem complex, but underneath the letters and numbers, you can identify the general cause of your lit check engine light, allowing you to take the next necessary steps. Obd ii codes,eobd fault codes list pdf free download. Do not leave the key on prior to the cold start or the oxygen sensor o2s heater monitor may not run. More than 4,000 obdii fault codes are compiled and qualitatively described in this compendium of generic and manufacturerspecific proprietary fault codes for common vehicles. Diagnostic trouble code dtc charts and descriptions note. The vehicle performs the self diagnostic computer test when the vehicle is driven. The obd1 connector has 12 pins, but not all are used on the most cars.
A pdf copy of the article can be downloaded at establish a baseline if youre repairing a vehicle that has stored one or more dtcs, make sure you collect the freeze frame data before erasing the stored codes. Obd ii diagnostic trouble codes page 2 created by oemys ultrapower performance introduction the diagnostic trouble codes listed are the most likely definition. During this period, the o2s heater, misfire, air, fuel system, and evap monitors run. Remember, these are manufacturer specific codes only.
How to use basic obdii code reader for beginners car. The first section is the first character, which is always a letter. This page explains how to get the codes without any special tools. Check your emissions decal under the hood to confirm if you have an obd2 compliant vehicle.
Read codes reading diagnostic trouble codes allows the pocketscan code reader to read the codes from the vehicles computer modules. The standard pins like the ground, power, a diagnostic pin is the same between a lot of different car manufacturers. A confirmed fault code is defined as the dtc stored when an obd system has confirmed that a. When this system identifies an issue it turns on the. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. With a code reader or scanner, you can access one or more obd2 codes that indicate the issues. Refer to our generic obd ii code list for definitions on all other toyota diagnostic trouble codes. These are stored in response to a problem found in the car by the system. P0021 intake camshaft position timing overadvanced bank 2 description. Ease offers two versions of the hand held quikcode. Thus, a p0301 misfire code on a ford means the same thing on a chevy, chrysler, toyota or mercedes. Note on some vehicles that are not equipped with an ect sensor, cht can be used and can set this dtc. In particular, it looks for issues that may result in harmful and polluting emissions from exhaust gases. Obd ii regulation history adopted by air resources board in 1989 o implementation began in 1994 o full implementation achieved in 1996 o over 150 million obd ii equipped vehicles operating in the united states today vehicle applications obd trouble codes.