Check Electronic Suspension Warning

jwgcpe

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I recently had this issue with my Stinger, and wanted to post my experience and resolution.

PXL_20230415_120022473~2.webp

I got this warning briefly once, and then it resolved itself almost immediately. I should have taken the car in then, but I was dumb and didn't. A week later, I took the car out on a ~450 mile road trip, and it came back on about 250 miles in and didn't turn off. This happened while going down the interstate, seemingly without any cause. I didn't have much choice but to keep driving, so I continued to the destination and wasn't able to have it serviced until getting home. The warning was present for the remainder of the trip.

This warning seemed to lock up the suspension entirely, and it was like driving a track car. Which might seem nice, but not when you're not driving on a track.

The dealership ended up replacing the Electronic Suspension Control module, and based on their notes, it seems like the module was mis-seated due to a bad connector (?). They offered to let me have it back while I waited a week for the part, so I guess they thought it was okay to drive in that condition. Of course they had no loaners. At least it was covered under warranty.

I honestly feel like I rattled some stuff and the car is more squeaky/creaky/poppy than it was before. I also have some concern about wear on suspension and other components, but that is yet to be seen.
 
I recently had this issue with my Stinger, and wanted to post my experience and resolution.

View attachment 80172

I got this warning briefly once, and then it resolved itself almost immediately. I should have taken the car in then, but I was dumb and didn't. A week later, I took the car out on a ~450 mile road trip, and it came back on about 250 miles in and didn't turn off. This happened while going down the interstate, seemingly without any cause. I didn't have much choice but to keep driving, so I continued to the destination and wasn't able to have it serviced until getting home. The warning was present for the remainder of the trip.

This warning seemed to lock up the suspension entirely, and it was like driving a track car. Which might seem nice, but not when you're not driving on a track.

The dealership ended up replacing the Electronic Suspension Control module, and based on their notes, it seems like the module was mis-seated due to a bad connector (?). They offered to let me have it back while I waited a week for the part, so I guess they thought it was okay to drive in that condition. Of course they had no loaners. At least it was covered under warranty.

I honestly feel like I rattled some stuff and the car is more squeaky/creaky/poppy than it was before. I also have some concern about wear on suspension and other components, but that is yet to be seen.
I had this exact same error 4 years ago

Drove about 80 KMs with the electronic suspension damn near locked up solid , same as you are experiencing. It was awful.

I had the dealer swap the controller with another new car on the lot, and let the new car wait for the part to arrive. It was a different time pre-covid. (April 3rd 2019).

After replacing the Electronic Suspension Controller, it's been fine ever since

20190403_094209.jpg



If you are curious, the ECS is located behind the trim on the driver's side rear luggage area.

20190421_124223.webp
 
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I had this exact same error 4 years ago

Drove about 80 KMs with the electronic suspension damn near locked up solid , same as you are experiencing. It was awful.

I had the dealer swap the controller with another new car on the lot, and let the new car wait for the part to arrive. It was a different time pre-covid. (April 3rd 2019).

After replacing the Electronic Suspension Controller, it's been fine ever since

View attachment 80183



If you are curious, the ECS is located behind the trim on the driver's side rear luggage area.

View attachment 80184
Good to know. Thanks.
 
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This problem has reoccurred for me. I recently installed two 12" subwoofers on 2000W, and pretty sure I rattled the module loose. Going to try reseating myself this time before taking to the dealership.
 
This problem has reoccurred for me. I recently installed two 12" subwoofers on 2000W, and pretty sure I rattled the module loose. Going to try reseating myself this time before taking to the dealership.
I hope it's as easy as a soft set connector,
but I fear you might need step #2. Perform ECS variant coding.

from here --> https://www.kstinger.com/ecs_control_unit-565.html

I don't acutely think your subwoofers are the cause. Possible, but not likely.

the connector is very robust

1700069881371.webp
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
No kidding the connector is very robust ... it even has a huge clamp on it to make sure it is tight. I resat with no luck. Guess it is to the dealer. Do you have any more info on what "variant coding" is in terms of ECS and how they might use it to fix my issue?
 
No kidding the connector is very robust ... it even has a huge clamp on it to make sure it is tight. I resat with no luck. Guess it is to the dealer. Do you have any more info on what "variant coding" is in terms of ECS and how they might use it to fix my issue?
This is everything I have easy access to at my fingertips.

Not exactly what you are looking for. But could be useful..
 

Attachments

Hopefully final update. I had my car pulled apart to work on installing some subwoofers. When putting everything back together and turning the car back on, this light was back on.

Reseating the module didn't help, but feeling around the area and connected wires, there was a spark when I touched the closest ground and the warning immediately went off. I tightened the ground down (tried to, actually it felt like the bolt was stripped and just kept turning) and it had been off since. This makes me think my problems were all caused by this bad ground.

Bottom box is the ECS module. Yellow bolt to the body is the ground.
1000002257.webp
 
Hopefully final update. I had my car pulled apart to work on installing some subwoofers. When putting everything back together and turning the car back on, this light was back on.

Reseating the module didn't help, but feeling around the area and connected wires, there was a spark when I touched the closest ground and the warning immediately went off. I tightened the ground down (tried to, actually it felt like the bolt was stripped and just kept turning) and it had been off since. This makes me think my problems were all caused by this bad ground.

Bottom box is the ECS module. Yellow bolt to the body is the ground.
View attachment 84899
If your ground bolt threads are stripped...

I would strongly consider relocating that ground to the nearby stud/nut, to avoid future potential problems.

Screenshot_20240217_192233_Gallery.webp
 
Reseating the module didn't help, but feeling around the area and connected wires, there was a spark when I touched the closest ground and the warning immediately went off. I tightened the ground down (tried to, actually it felt like the bolt was stripped and just kept turning) and it had been off since. This makes me think my problems were all caused by this bad ground.
Nice job finding the problem!

Also, it's very good of you to come back and update the thread which will help future users.
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
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