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I have a 1994 Cadillac concours 4.6 liter northstar engine.

Customer Question
The service ride control light...
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: 9 months ago.Category: Cadillac
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Answered in 35 minutes by:
9/9/2017
Cadillac Mechanic: Dan, Technician replied 9 months ago
Dan
Dan, Technician
Category: Cadillac
Satisfied Customers: 25,964
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Hello, my name is ***** ***** I'm here to help get your problem solved.

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Cadillac Mechanic: Dan, Technician replied 9 months ago

Do you know what diagnostic codes are showing up?

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Customer reply replied 9 months ago
I'm sorry
I don't. I know there are several
Cadillac Mechanic: Dan, Technician replied 9 months ago

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

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Customer reply replied 9 months ago
I can get you the code numbers from my mechanic in the morning. Will that help?
Cadillac Mechanic: Dan, Technician replied 9 months ago

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

-

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

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Customer reply replied 9 months ago
Dan.
I hope you're still out there...The codes are: SO55 and SO73. Any help will be appreciated?
Cadillac Mechanic: Dan, Technician replied 9 months 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.

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Cadillac Mechanic: Dan, Technician replied 8 months ago

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

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