Cadillac Repair: 1992 CADILAC SEVILLE, climate control, cadilac

Question
QUESTION: What will cause my cadillac to stop shifting it was only happening once and a wile and now it wont shift

ANSWER: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?.



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

QUESTION: yes its been on and still is

Answer
OK, Let's see what codes are in the computers:


1. Turn ON the ignition. Do NOT start the engine.

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

3. Letters & numbers will start to appear on the display and the display will stop at .7.0.

4. Tell me EXACTLY what displays as if you were video taping the display.

5. Turn ignition key OFF.