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2003 Deville DTS
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Discussion Starter #1
03 DTS: Service Suspension, Speed Limited to 90 MPH

Recently I have had these messages displayed :

Over the last year I had the aftermarket shocks/struts replaced in the front and rear, that have the pass through electronic device to "fool" the system. And that worked well for about 10 months. I've had all rotors/pads replaced and calipers and new tires put on as well.

Now I get this message upon start up.

Could it be anything else?

- Wheel Hub/Bearings?
- ABS issue?
- Unplugged wire?
- Faulty wire?

Any suggestions, troubleshoots, etc.?

Thank you in advance.
 

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2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
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You'll have to pull the codes to find out what's wrong. There's a "sticky" thread at the top of the FWD Deville/Fleetwood page on how to pull DTCs. Make sure to include DEFINITIONS.
 

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2003 Deville DTS
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Discussion Starter #3
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Would there be codes if there is not a check engine light on?
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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68,392 Posts
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Engine problems won't trip suspension codes and vice versa.

The "Speed Limited .............." message means that GM doesn't want you to break the car or yourself due to a faulty suspension component.

There are 4 types of codes -

P = Powertrain
C = Chassis
B = Body
U = Power and Data monitoring
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,245 Posts
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Recently I have had these messages displayed :

Over the last year I had the aftermarket shocks/struts replaced in the front and rear, that have the pass through electronic device to "fool" the system. And that worked well for about 10 months. I've had all rotors/pads replaced and calipers and new tires put on as well.

Now I get this message upon start up.

Could it be anything else?

- Wheel Hub/Bearings?
- ABS issue?
- Unplugged wire?
- Faulty wire?

Any suggestions, troubleshoots, etc.?

Thank you in advance.
========================
I had the aftermarket shocks/struts replaced in the front and rear,
that have the pass through electronic device to "fool" the system.

what brand shocks/struts?
 

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2003 Deville DTS
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Discussion Starter #8
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Okay, I was able to pull the codes today and below is everything that came up... both Current and History.

RSS C0584 Current: Right Front Solenoid Circuit Open
IPM B0429 Current: Temperature Control # 3 Rear Circuit Range/Performance
RSS C0579 History: Left Front Solenoid Circuit Open
MSM B2355 History: Driver Front Vertical Sensor Malf
MSM B1860 History: Driver Lumbar Vert Sensor CKT Malf
MSM B1740 History: Driver Seat Front Down Switch CKT Malf
MSM B1420 History: NOT LISTED
MSM B1327 History: Device Power Circuit Low
IRC U1016 History: Loss of Class 2 Communication with VCM
DDM U1301 History: Class 2 Short to Battery
DDM B3832 History: NOT LISTED
DDM U1714 History: NOT LISTED
DDM U1713 History: NOT LISTED
DDM B1591 History: Mirror Vert. Pos Sensor-Out of Range/Open
DDM B1586 History: Mirror Horiz. Pos Sensor-Out of Range/Open
ABS U1056 History: Loss of Communications with RSS
ABS C1287 History: Steering Sensor Rate Malfunction
ABS C1228 History: RR Excessive Wheel Speed Variation
ABS C1227 History: LR Excessive Wheel Speed Variation
ABS C1223 History: LR Wheel Speed Sensor Input Signal is 0
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,245 Posts
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Okay, I was able to pull the codes today and below is everything that came up... both Current and History.

RSS C0584 Current: Right Front Solenoid Circuit Open
IPM B0429 Current: Temperature Control # 3 Rear Circuit Range/Performance
RSS C0579 History: Left Front Solenoid Circuit Open
MSM B2355 History: Driver Front Vertical Sensor Malf
MSM B1860 History: Driver Lumbar Vert Sensor CKT Malf
MSM B1740 History: Driver Seat Front Down Switch CKT Malf
MSM B1420 History: NOT LISTED
MSM B1327 History: Device Power Circuit Low
IRC U1016 History: Loss of Class 2 Communication with VCM
DDM U1301 History: Class 2 Short to Battery
DDM B3832 History: NOT LISTED
DDM U1714 History: NOT LISTED
DDM U1713 History: NOT LISTED
DDM B1591 History: Mirror Vert. Pos Sensor-Out of Range/Open
DDM B1586 History: Mirror Horiz. Pos Sensor-Out of Range/Open
ABS U1056 History: Loss of Communications with RSS
ABS C1287 History: Steering Sensor Rate Malfunction
ABS C1228 History: RR Excessive Wheel Speed Variation
ABS C1227 History: LR Excessive Wheel Speed Variation
ABS C1223 History: LR Wheel Speed Sensor Input Signal is 0
-----------------------------
MSM B1420 History: NOT LISTED
DDM B3832 History: NOT LISTED
DDM U1714 History: NOT LISTED
DDM U1713 History: NOT LISTED

not sure what code list you are using -
but THIS is the most complete one -
http://www.cadillacfaq.com/faq/answers/dtccode.html#bod

----------------------

RSS C0584 Current: Right Front Solenoid Circuit Open http://www.cadillacfaq.com/faq/answers/dtccode.html#bod
that's the one causing your immediate problem -

and it looks like the Left front solenoid had a problem recently -
 

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2003 Deville DTS
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Discussion Starter #10
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

Maybe I missed one, but I poured over the codes listed on the sticky. But that still does not help me with the issue I am having. When I pulled that link up, the code was there as a seating issue.
 

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Discussion Starter #11
I have these two codes that are active... Many other that are history, but the active ones I am assuming are tripping the Service Suspension/Speed Limited to90 MPH


RSS C0584 Current: Right Front Solenoid Circuit Open

On this one, I only found one discussion that attributed it to either an unplugged strut, or the need to replace the struts altogether. I replaced the front/back about 9 months ago with the aftermarket brnd that has the bypass mechanism so that the SS/S limited to 90MPH is not tripped.
The car pulls hard to the right as well, but I had a 4 way alignment done recently when I replaced the tires, so could this code make this pull to the right as well?


IPM B0429 Current: Temperature Control # 3 Rear Circuit Range/Performance

I am not sure what this is, but if it is related to the HVAC, so far I can not find a problem.

Thank you
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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68,392 Posts
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

C 0584 would not (should not) make the car pull to the right. That's brake drag or alignment, including toe-in.

B 0429 is the air door to the after console panel - back seat air.

I cleaned up your thread titles - you do not have a Deville Deville Touring Sedan.
 

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Discussion Starter #13
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

What would C 0584 be then? Any troubleshooting.

My car is a 2003 DTS. Perhaps Deville DTS (Devile) TS was redundant.
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

I'm snitsy about the FWD acronyms thing.

STS = Seville Touring Sedan
SLS = Seville Luxury Sedan
ETC = Eldorado Touring Coupe
ESC = Eldorado Sport Coupe
Deville = base model
Concours is a bit upscale Deville (ended in 1999 ???)
DHS = Deville High (luxury) Sedan
DTS = Deville Touring Sedan

The later "STS" and "DTS" mean nothing - they're acronyms with no model designation. The later "DTS" is not really a Deville. The "STS" is a totally different, Sigma body, car.

For the FWD series, the 8th character of the VIN is the drivetrain:
VIN 9 = 300 hp, 3.71 performance final drive
VIN Y = 275 hp, 3.11 economy final drive
....... and there are a few annual variations in the pre-2000 VIN 9 ratings.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,245 Posts
Re: 03 DTS: Service Suspension, Speed Limited to 90 MPH

What would C 0584 be then? Any troubleshooting.

My car is a 2003 DTS. Perhaps Deville DTS (Devile) TS was redundant.
========================
What would C 0584 be then?
codes are pretty much self-explanatory -

C0584 - Right Front Solenoid Circuit Open
that means the suspension computer
expects to get a response from the right-front electronic strut -
and there is nothing - no signal - and no resistance -
so - that means the electronics is either unplugged -
or the wire harness has a broken wire -

you said you replaced the original active strut with
"the aftermarket brnd that has the bypass mechanism"

so - either the bypass mechanism has failed -
it is unplugged -
or there is a problem with the harness -

what brand struts did you buy?
I can guess arnott?

if they are only 9 months old -
I would expect them to be under warranty -

---------------------

if the plug and harness are OK -
you could try getting the RadioShack
#271-1124 resistors we recommend -
when installing the Monroe passive units -
around $1.50 for a pack of 5 -
 

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Discussion Starter #16
Yes they are Arnott. I hate to be a bother, but is there a diagram or picture of where the plug would be to determine if it is unplugged and the location of the harness. Would I need to put the car on a lift?

Thank you
 

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2000 DTS 194,000 miles, 2000 DHS 203,000 miles
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Just follow the wire from the strut and you'll find the connector. Should be right at the fender body somewhere. The pull is most likely due to lateral force runout. (Tires) swap your front tires from side to side and see if the pull changes from right to left or goes away. If it does it doesn't mean you have a bad tire, it means the tire needs to be rotated on the rim. There are actually tire balancers that can tell you where the tire should be put on the wheel but not a lot of shops have them. If swapping the tires doesn't change the pull then look at your brakes for a drag on one side, or the alignment. (Less likely since you had one done and the caster, which is the main setting causing pulls, is most likely not over an inch out on one side or the other without some major component being bent.)
 

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Discussion Starter #18
Okay, so I am at an impasse with finding this plug. I can't seem to see it or feel it anywhere, and I am not entirely sure I know exactly where it should be.

I took photos behind the tire to no avail.. I see nothing when I open the hood where a plug would be.

Does anyone have a photo or diagram of where the plugs would be for the front shocks, so that I can check the connections?

Thank you
 

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IIRC, the connector is low down in the engine compartment, reachable from under the car. Nalley GMC's site has good diagrams.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,245 Posts
Okay, so I am at an impasse with finding this plug. I can't seem to see it or feel it anywhere, and I am not entirely sure I know exactly where it should be.

I took photos behind the tire to no avail.. I see nothing when I open the hood where a plug would be.

Does anyone have a photo or diagram of where the plugs would be for the front shocks, so that I can check the connections?

Thank you
=========================
look at the bottom of the strut -
see that big thing with the plug on it?

that is arnott's version of the little resistor -

the car's suspension plug plugs into that connector -
 
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