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Board of Directors
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C codes, B codes, P codes, U codes

Format example:
P 0 1 0 1


1st letter
P = powertrain
B = Body
C = Chassis

1st digit
0 = Standard
1 = Manufacturer specific

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

3rd and 4th digit are the specific trouble
 

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Registered
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40,856 Posts
Thanks Dave!
 

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Board of Directors (Jay)
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excellent info Dave!
 
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