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Check Engine Code

Welcome to Check Engine Code information service. enginecheck.org listed ODB and ODB-II codes with their meanings, reasons and fix ways. These Check Engine Code 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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Ways to read Check Engine Code.

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Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

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
Engine Image
Powertrain codes
P0xxx - Generic
P1xxx - Manufacturer-specific
P2xxx - Generic
P30xx-P33xx - Manufacturer-specific
P34xx-P39xx - Generic
Chassis codes
C0xxx - Generic
C1xxx - Manufacturer-specific
C2xxx - Manufacturer-specific
C3xxx - Generic
Body codes
B0xxx - Generic
B1xxx - Manufacturer-specific
B2xxx - Manufacturer-specific
B3xxx - Generic
Network Communication codes
U0xxx - Generic
U1xxx - Manufacturer-specific
U2xxx - Manufacturer-specific
U3xxx - Generic

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.