Cadillac Repair: diagnostic trouble codes, 134a freon, r 134a


Question
QUESTION: what do these codes stand for so I can fix my car.They are as follows,r033,ecm?,e052,b120,b448,b552,r026.thats all of them.They show on my climate control when I check codes.How do I get the change engine oil to quit blinking on screen?

ANSWER: Need YEAR-MODEL and ENGINE SIZE of vehicle ?.


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

QUESTION: what bare theses codes,R033,ecm?,E052,B120,B448,B552,R026.How to turn off change oil message in the climate control?1990cadillac,eldorado,4.5 liter

Answer
R033 = Steering sensor shorted in the arming sensor.

E052 = Battery was disconnected in the recent past.

B120 = Twilight sentinel delay in the potentiometer circuit.

B448 = Very low refrigerant in the AC system. Usually caused by converting the system from R-12 to R-134a freon.

B552 = Battery was disconnected in the recent past.

R026 = Open circuit in the steering column.


To reset the oil lioght:

1. Simultaneously push and hold the ENG-DATA and RANGE buttons for several seconds and the OIL LIFE INDEX will appear on the screen. Keep holding the 2 buttons in until you see OIL LIFE INDEX 100 then release the buttons.