Cadillac: Air Conditioner, pcm data, climate control


Question
How do you reset code for low refrigerant for the air condition on a 1994 Cadillac Concours with a 32 valve northstar engine

Answer
AFTER you fix the problem:

1. Ignition ON. Engine OFF.

2. Simultaneously push and hold the OFF and WARMER (^) buttons on the climate control panel for 3 seconds and release them.

3. you will see the code and the display will stop at PCM.

4. Push and release the HI button and you will see PCM DATA.

5. Keep pushing and releasing the LO button until you see PCM CLEAR CODES?

6. Push and release the HI button and you will see PCM CODES CLEAR.

7. Wait 3 seconds and turn off the ignition.