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Select M.F (SELECT MANUFACTORY)
Manufacturer controlled codes (non-uniform DTCs)
Areas within each alpha designator have been made available for manufacturer-controlled DTCs. These are fault codes that will not generally be used by a majority of the manufacturers due to basic system differences, implementation differences, or diagnostic strategy differences. Each vehicle manufacturer or supplier who designs and specifies diagnostic algorithms, software, and diagnostic trouble codes are strongly encouraged to remain consistent across their product line when assigning codes in the manufacturer controlled area. For powertrain codes, the same groupings should be used as in the ISO /SAE controlled area, i.e. 100's and 200's for fuel and air metering, 300's for ignition system or misfire, etc.
Code groupings for non-powertrain codes will be specified at a later date.
While each manufacturer has the ability to define the controlled DTCs to meet their specific controller algorithms, all DTC words shall meet ISO 15031-2.
Select the correct model of the vehicle would help you to obtain more usefull information.
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