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#2
12-31-2009, 03:59 PM
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Re: enhanced dtc ???
There are basically two types of DTCs (Diagnostic Trouble Code) read with a obd-ii scanner/scan tool. Generic or manufacturer/vehicle specific aka enhanced or extended.
For example a generic may read P0440 (P0XXX) where in enhanced will read P1440 (P1XXX). Are you having any issues?
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines 
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#3
01-01-2010, 08:46 PM
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Re: enhanced dtc ???
I think the generic/basic codes are industry standardized thru all carlines - basically in the spirit of double-checking the "emission related" hardware.
The enhanced TCs allow manufacturers to tailor the set and clear algorithms more specifically to detect other problems. Part of the conundrum is the manufacturers want codes to set to pickup on specific problems without "false alarms". Just like a burgular alarm system - you want it to detect accurately and not be constantly going off each time a cat jumps across the room.
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1988 Chevy R-30 1 ton DRW pickup (217k) 1991 Chevy S-10 4WD pickup (192k) 2000 Grand Prix GTP (218k) 2002 GMC Yukon (185k) 2009 G8 - GT (46k)
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