1997 Cadillac Deville no dash air

SWS111

MEMBER
1997 CADILLAC DEVILLE
4.6L
6 CYL
TURBO
FWD
AUTOMATIC
115,121 MILES

No air comes out the dash front vents. I replaced the air flow actuator that is located under the dash under the glove box but this did not resolve it; is there a upper air flow actuator that determines the opening of the louver for the front dash vents, if so, how is this accessed? What else could be the problem?

8 Replies

HMAC300

MECHANIC
48,601 POSTS

Use self diagnsotics and get back with a code see pic. Also try pulling hvac fuse inside car for 60 seconds with key on it may reset actuators. You have auto matic temp control so you need to see if there is a code firs.T

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Friday, February 20th, 2015 AT 7:28 AM

SWS111

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7 POSTS

I followed the self diagnostic instructions and got as far as accessing the ACM code, then accessed the ACM history, but could not further access where a clear ACM codes flag came up. How do you further access the ACM code history to prove exactly what is wrong with the car?

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Monday, February 23rd, 2015 AT 3:09 PM

HMAC300

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A pro will have to use his scanner then to get the codes.

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Monday, February 23rd, 2015 AT 3:15 PM

SWS111

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7 POSTS

Can you recommend a scanner that can be purchased that will conclusively show exactly what is wrong with the car that can be used on a 97 caddy?

Would there be any other way to access the ACM code history?

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Monday, February 23rd, 2015 AT 3:43 PM

HMAC300

MECHANIC
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You need a pro scanner which is in the range of $3000-5000 if you wan tto spend that much fine and you will need the card because the car is over 10 yrs old or one able to read a car that old.