Engine Trouble Codes

Welcome to Engine Trouble Codes information service. Engine-Trouble-Code.com listed ODB and ODB-II codes with their meanings, reasons and fix ways. These engine trouble codes divided 4 parts : Diagnostic Body (B) Trouble Code , Diagnostic Network (U) Trouble Code ,Diagnostic Chassis (C) Trouble Code and Diagnostic Powertrain (P) Trouble Code.

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A light on the dash signifies that your car's engine control module, or ECM, has logged a problem. This is logged as a engine trouble code, and the codes are somewhat mysterious. While the list of codes below isn't comprehensive, it's a decent place to start learning about what could be wrong with your vehicle whenever a particular code is set.

Engine Trouble Code Logic : 1st digit P = Powertrain B = Body C = Chassis U = Network 2nd digit 0 = Standard 1 = Manufacturer specific

3rd digit 1 = Emission management 2 = Injector circuit 3 = Ignition 4 = Auxiliary emission 5 = Vehicle speed & idle control 6 = Computer & output circuit 7 = Transmission

These fault codes will appear on a two digit display found under the passenger seat. Note that although the display can indicate fault codes up to 99 not all numbers are valid codes. You read the codes by removing the side panel of the seat base or looking at the display under the back of the seat.