Cadillac Repair: 1989 cadillac eldorado, cadillac eldorado, message center

Question
QUESTION: a/c sensor fault coming on in message center then a/c stops working. need help

ANSWER: What code are you getting so I know which sensor is causing the fault ?.

---------- FOLLOW-UP ----------

QUESTION: how do you pull codes for that a/c system.I work mostly on fords

Answer
Turn ignition ON. With engine OFF.

Simultaneously push and hold the OFF and WARMER buttons for 3 seconds and release them.

Codes will display and display will stop at ECM?


Write down EXACTLY how the codes display as if you were video taping them.