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Dan
Dan, Technician
Category: Cadillac
Satisfied Customers: 24586
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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I have a 1994 Cadillac concours 4.6 liter northstar engine.

Customer Question

I have a 1994 Cadillac concours 4.6 liter northstar engine. The service ride control light will not turn off. My mechanic thinks it's a bad module box in the trunk. Delco chassis part #22154810.
What do you think?
The car is in beautiful shape, and this warning light drives me crazy!!!
Thank you.
Submitted: 1 month ago.
Category: Cadillac
Expert:  Dan replied 1 month ago.

Hello, my name is ***** ***** I'm here to help get your problem solved.

Expert:  Dan replied 1 month ago.

Do you know what diagnostic codes are showing up?

Customer: replied 1 month ago.
I'm sorry
I don't. I know there are several
Expert:  Dan replied 1 month ago.

Give me a minute and I'll give you instructions on how to check them.

Customer: replied 1 month ago.
This is the part.
Customer: replied 1 month ago.
I can get you the code numbers from my mechanic in the morning. Will that help?
Expert:  Dan replied 1 month ago.

You can check them yourself too, here are instructions. I need RSS codes. Let me know, thanks.

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https://www.dropbox.com/s/e9qfl7xqfnmeyrw/codes.pdf?dl=0

Customer: replied 1 month ago.
Dan.
I hope you're still out there...The codes are: SO55 and SO73. Any help will be appreciated?
Expert:  Dan replied 1 month ago.

S055 points toward a failed RSS module and S073 could mean module or accelerometer so I agree replaceing the RSS (Rear suspension Module) is best place to start. You can get a used one from salvage yard or www.car-parts.com if they do not have one locally. Let me know if you have questions, thanks.

Expert:  Dan replied 25 days ago.

Ever get it figured out? Please do not forget to rate answer. Thanks.