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Codes and Modes: Complex diagnostics 850

I am reading the AllData manual and each mode is carried out by doing either certain gear shifting (example: DTM 2, 4) and/or sending signal via the On Board Diagnostic II unit to the TCM (Example: DTM 5, Fluid temperature, Trans RPM and throttle position). It looks a bit complex.

I believe '93 does come with OBD II, atleast mine does.

Ronjon
'93 850






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New Codes and Modes (how do you get to modes 2, 3, 4, etc.??) [850]
posted by  someone claiming to be mark sloo  on Thu Jul 17 13:38 CST 2003 >


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