press n hold the off and warmer buttons on heater controls while key is on
You can find it on 12volt.com
first you have to run you car through a dyno test.
there is a sequence of buttons pushed on the radio which access the ODB, sorry can't remember the sequence.
push the AC and heater buttons in at the same time and hold for 6 seconds
Use the climate control unit. with key in on position and engine off press the off and the warmer button at the same time for about 3 seconds. the codes will be displayed. Use the fan speed switch to toggle between codes and to clear.
With the key on, hold the off and warmer buttons at the same time. Write down all the codes displayed in the Fuel Data Center exactly as they a re displayed in the order. It should be a letter and a number for each one. History is one letter, current codes have two. For reference, F Codes are the same as B codes. Look here for code meanings: http://myweb.accessus.net/~090/dtcobd1.html
With the Key ON, do not start the car, using the A/C control panel, press the OFF and the PASS UP button for 3 seconds at the same time.
A. Turn the igition switch on B. Depress the OFF and WARMER buttons on the climate control panel at the same time until the segment check appears on the instrument panel. c. once the service mode is entered , any trouble codes that are stored in the computer memory will be displayed. TO CLEAR CODES A. Press the HI button on the climate control panel, this will cause the display to read ECM DATA. B. Press the LO button on the climate control panel until the display reads ECM CLEAR CODES. C. Now press the high button on the climate control panel and the display should read ECM CODES CLEAR. C. After 3 seconds all stored ECM codes will be erased.
how do you check a/c codes on a 2000 Cadillac Seville sls
How do you reset dashboard codes for 2000 Cadillac STS?
They might be or they might not be. Since there are no codes displayed in the question, you can not tell.