[Diy_efi] Chrysler ODB2 / VSS question

[Mike Schwall]

True, type A codes are single instance problems that triggers a code &
MIL and creates a stored history code.  This history should be erasable
using an OBD scanner.  Type A codes are caused by certain severe
emission problems that only a single instance of a malfunction will
trigger the code and light as well as a stored history code.  Not sure
how the VSS ranks in priority (from A-D) or how the VSS is used with the
emissions equipment, but I doubt the lack of speed information is going
to cause a major emissions problem. YMMV, IMO

Mike
  


-----Original Message-----
From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org] On
Behalf Of Djfreggens at aol.com
Sent: Wednesday, January 01, 2003 9:27 PM
To: diy_efi at diy-efi.org
Subject: Re: [Diy_efi] Chrysler ODB2 / VSS question


the only way the trouble code will stay after a battery reset is if the
problem is still persistent. also crhsylers later obd2 chrysler have a
code history so even when current static code are cleared there will be
a basic non violitale copy kept on the flash chip. its way more
complcated then a battery/power down code clearing clear. 


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