Cadillac Repair: 1994 DeVille Concours error codes, deville concours, climate control


Question
The Lo light is not present. Also, the S061 code is now showing current.
-------------------------------------------
The text above is a follow-up to ...

-----Question-----
These are the codes I get when I check. Any help will be appreciated.
P027
no APC
no SIR
no TCS
S021 history
S038 history
S044 history
S055 history
S061 history
S062 history
PMC?
-----Answer-----
Enter back into diagnostics.

Note the LO light as it should be illuminated on the climate control panel.

When you step on the gas pedal the LO light should go out. Does it ?.

Answer
CLEAR (erase all the codes from the computer and see which ones return as current codes.

P027 = fault in the nose switch of the IDLE SPEED CONTROL MOTOR (ISC).

I can provide pictures and directives of the repair procedure. E-mail me at: onlineautohelp@msn.com