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Old 10-16-2018, 07:16 AM   #1
L78toLT1

 
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Service suspension message after dyno session

I got a service suspension message after running my car on the dyno last weekend. My car is mrc equipped and everything seems normal except for the message. I'm hoping this will go away after a few key cycles. Has anyone else had a similar experience after a dyno session?
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Old 10-16-2018, 07:51 AM   #2
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Pull the battery and let the ECM reset. Some of those codes are caused from the front wheels not spinning, the other could be from the shop strapping the car down and the suspension not being able to move.
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Old 10-16-2018, 11:23 AM   #3
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I'm hoping the shop didn't strap it down by the rear control arms, and break the MRC sensor in the process... If it doesn't go away after a battery reconnect, visually inspect the sensors...
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Old 10-16-2018, 12:59 PM   #4
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thanks for the input guys. I'm pretty sure the shop strapped the car down properly as they work on lots of Camaros. The mrc functionality is also definitely still there also. I'll reset the ecm and report back.
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Old 10-21-2018, 02:35 AM   #5
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This happened to me a couple weeks ago right after my car got tuned on a dyno. Every time I started my car I’d get a pop up on the dash saying service suspension system. Somehow one of the rear MRC ride height sensors popped off and it was as simple as jacking up the car and removing the wheel and popping sensor back into place. If you lift the car high enough, removing the wheel probably isn’t necessary.
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Old 10-21-2018, 07:54 PM   #6
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Quote:
Originally Posted by Est98SS View Post
This happened to me a couple weeks ago right after my car got tuned on a dyno. Every time I started my car I’d get a pop up on the dash saying service suspension system. Somehow one of the rear MRC ride height sensors popped off and it was as simple as jacking up the car and removing the wheel and popping sensor back into place. If you lift the car high enough, removing the wheel probably isn’t necessary.
Thanks for the tip, i wouldn't be surprised if the same thing happened to my car. I've been out of town and have not driven the car since returning from the dyno. I will check the mrc links when i get home and post my findings.
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Old 10-23-2018, 06:44 PM   #7
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You nailed it, Est98ss except mine is worse. The passenger side rod is bent and the plastic rod end that attaches to the frame is gone! I'll bet that little s.o.b. will cost 30 bucks
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Old 10-25-2018, 01:48 PM   #8
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Rod is not sold separately. Sensor part no. Is 23405177. 29.95 plus $3.45 shipping from thatgmpartsguy.
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