What Are P Codes?

What are the OBD codes?

Diagnostic Trouble Codes, also known as engine fault codes, are five-digit codes that identify a particular problem in the car.

These codes are displayed on the scanning tool when it’s connected to the OBD system.

The five-digit DTC includes one letter usually followed by four numbers (e.g.

P1234)..

How do you read fault codes?

To read the codes, you will have to plug a scan tool or code reader into the 16-pin OBD II diagnostic connector, which is usually located under the dash near the steering column. The tool will then display the code or codes that have turned on the Check Engine Light. To read codes, you need the proper scan tool.

What are trouble code charts?

On-Board-Diagnostic (OBD) trouble codes are one way your vehicle communicates with a mechanic. … OBD codes are accessed by plugging a code reader into the vehicle’s OBD port. These codes provide a mechanic with information about the system and the conditions under which the issue was first identified.

What are u codes?

Network & Vehicle Integration (U-codes) category covers functions that are shared among computers and systems on the vehicle.

What do P codes mean?

The letter “P” indicates powertrain-related codes such as those involving the engine or the transmission and their sensors. Typically, “P” codes are the only ones that will illuminate the Check Engine Light. The letter “B” indicates a body code, which means that it relates to a body system such as the airbags.