2000 GM Cadillac STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along with a blown fuse MESSAGE

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2000 GM Cadillac STS 'SPEED LIMITED TO 145 K'(or 90 in ... - 3/12/2007 9:57:58 AM    sh   Posts: 12 Joined: 3/12/2007 Status: offline I am wondering if anyone would be able to offer me advice. My 2000 STS has a message reading that the speed is limited to 145 k. I took it to the Mechanic and he spent 2 hours going over it to try and find the problem.  He said that there was a blown fuse, he fixed but could not find anything else. Once the fuse was replaced the message disappeared, until I drove away from the dealership then it reappeared. He said he checked the sensors behind the wheels and that the shocks looked okay,he checked the wiring all looked good---- he thought it to be a communication problem.  Has anyone else had this message come up along with a blown fuse?? I have noticed that the front shocks seem like they have no air in them, but this has been for some time and this message has just come up along with blowing a fuse? ============== Moderator edit title < Message edited by Stealth -- 12/2/2007 9:21:58 AM > Post #: 1

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 10:56:15 AM    Katzmans Caddy Posts: 1268 Joined: 12/3/2006 Status: offline Speed is limited in this way when there is a malfunction in the suspension control system. The PCM determines what speed to limit the vehicle to. Did the mechanic check any of the codes? Do you know how to retrieve the codes? Do you know how to reset the codes? Did the fuse blow again?   < Message edited by Katzmans Caddy -- 3/12/2007 10:58:46 AM > (in reply to sh) Post #: 2

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:11:08 AM    sh   Posts: 12 Joined: 3/12/2007 Status: offline hi Thank you for your response.  Yes the fuse did blow again as I was driving away from the dealership and that is when the message reappeared. I did check the codes the first time prior to taking it in and there was C1252 and C1253.  I am wondering if the fuse blows to limit the speed when maybe the shocks fail?  Although the mechanic said all is well with the shocks, I feel the shocks are not performing well, it is as if there is no air in them.  I will go to the car and check to see what codes are showing now. Would this help? (in reply to Katzmans Caddy) Post #: 3

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:14:44 AM    sh   Posts: 12 Joined: 3/12/2007 Status: offline hi Thank you for your response.  Yes the fuse did blow again as I was driving away from the dealership and that is when the message reappeared. I did check the codes the first time prior to taking it in and there was C1252 and C1253.  I am wondering if the fuse blows to limit the speed when maybe the shocks fail?  Although the mechanic said all is well with the shocks, I feel the shocks are not performing well, it is as if there is no air in them.  I will go to the car and check to see what codes are showing now. Would this help (in reply to Katzmans Caddy) Post #: 4

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:28:07 AM    sh   Posts: 12 Joined: 3/12/2007 Status: offline I just checked to see what the codes are now  and they are ABS C 1252 current ABS C1253 current U1056 History U1000 current No Amp codes No DDM codes DIM U1016 History PCM P1652 Current TTM  U1016 History These are all the codes showing.  It may be that the fuse is not blown again, but the message is up. Would anyone know what this could be or has had the same codes and problem (in reply to Katzmans Caddy) Post #: 5

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:30:33 AM    Katzmans Caddy Posts: 1268 Joined: 12/3/2006 Status: offline These are the code descriptions: C1252 - Left Front Normal Force Malfunction C1253 - Right Front Normal Force Malfunction A fuse that continually blows usually indicates a short imo. I think that a recheck of the codes would be helpful. (in reply to sh) Post #: 6

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:37:17 AM    Katzmans Caddy Posts: 1268 Joined: 12/3/2006 Status: offline P1652 - Powertrain Induced Chassis Pitch Output Circuit U1000 - Class 2 Communication Malfunction U1016 - Loss of Communications with PCM U1056 - Loss of Communications with RSS Well the mechanic is right, you have a communication problem, but why is the question. I think you should check the fuse. I would not suggest erasing the codes because the mecahanic needs to see them. < Message edited by Katzmans Caddy -- 3/12/2007 12:40:48 PM > (in reply to Katzmans Caddy) Post #: 7

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 11:55:55 AM    sh   Posts: 12 Joined: 3/12/2007 Status: offline thanking you for your response.  what is a short imo? The mechanic has spend 2-3 hours trying to find the problem and is unable--the message still comes up and the car limits my speed to 145k. It has cost me 210.dollars and they have no clue as to why this is happening.  So I thought maybe someone else on here might have had the same problem and it may save me from letting a mechanic spend another 2-3 hours or more and still not finding the problem (in reply to Katzmans Caddy) Post #: 8

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 12:08:23 PM    Katzmans Caddy Posts: 1268 Joined: 12/3/2006 Status: offline "a short imo" sorry about that, means that there must be an electrical short circuit in the system In My Opinion (imo) (in reply to sh) Post #: 9

RE: STS 'SPEED LIMITED TO 145 K'(or 90 in the US) along... - 3/12/2007 12:15:24 PM    sh   Posts: 12 Joined: 3/12/2007 Status: offline Thank you (in reply to Katzmans Caddy) Post #: 10

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