Engine OBD 2 Code Lookup (Check Engine Light)

What is OBD ?

OBD means On-Board Diagnostics that is an automotive term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle subsystems.

History of OBD

This first-generation of these on-board diagnostic (OBD) systems has become increasing sophisticated since the first systems appeared by the 1970s.

Most 1996 and newer vehicles have standardized computer systems (also known as OBD2) that continually monitor the electronic sensors of engines and emission control systems, including the catalytic converter, while the vehicle is being driven to ensure they are working as designed.

problem types

There are two kinds of on-board diagnostic systems: OBD-I and OBD-II.

Before OBD-I, each manufacturer had their own set of standards for OBD, meaning that mechanics had to buy expensive scan tools for each manufacturer. OBD-I was first introduced in 1987, and standardized onboard diagnostics.
As a result, it was mandated in 1996 that car manufacturers equip cars and trucks with OBD-II ports.

Checking The Code :

When you see check engine light on the front panel, prepare yourself for new OBD2 code.

To get started, plug the scan tool into the OBD II connector under the dash. Turn the key on, but don't start the engine. The tool will ask for a number of things such as the VIN, the make and model of the vehicle and the engine type.

obd2 device

This mode shows the stored diagnostic trouble codes. These fault codes are standard for all makes of vehicle and are divided into 4 categories:

Powertrain OBD2 Trouble Codes

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Network OBD2 Trouble Codes

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Chassis OBD2 Trouble Codes

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Body OBD2 Trouble Codes

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Car OBD-2 Codes

If your car engine control system detects a problem, the computer stores the diagnostic trouble code in its memory. This is the time that the "check engine" sign lights up. There are some automobiles today that can activate its special diagnostic mode by grounding some terminals found on the diagnostic connector.

OBD2 error samples for autos:
U1069 Kia Potentia U1069 Opel Monterey P2875 Renault 8 P2875 Wartburg De Luxe U3368 Ford Pinto U3368 Seat Toledo P1064 Mitsubishi Lancer Evo 9 P1064 Ford Capri

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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