Ride mode switch
Thread Starter
Instructor
Joined: Sep 2016
Posts: 103
Likes: 7
From: Ashford, WV
Check engine light came on. Took it to dealer to be diagnosed. Their OBD scanner said the switch was failing. BTW, on the way to the dealer I stopped for gas. When I got back in the car, the check engine light went off. I guess it's an intermittent problem. Those are hard to diagnose. I didn't notice any difference in the way the car drove.
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Not a bad price for a replacement switch. Good luck if you end up doing the repair.
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Joined: Sep 2013
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From: Cape Coral, Florida
Check engine light came on. Took it to dealer to be diagnosed. Their OBD scanner said the switch was failing. BTW, on the way to the dealer I stopped for gas. When I got back in the car, the check engine light went off. I guess it's an intermittent problem. Those are hard to diagnose. I didn't notice any difference in the way the car drove.
Last edited by C5 Diag; Yesterday at 01:37 PM.
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When, the gremlins start knocking at the door, my first thought is how old is the battery? An old battery can cause some strange problems in a C7. 
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From: Fleming Island Florida
FYI, a failing ride mode switch will not cause the MIL (Check Engine Light) to illuminate...only things that affect the emissions of the car like the EVAP system or misfires will illuminate it and the suspension system isn't one of them and a scan tool doesn't tell you if a part is bad...unless you take your car to a dealership for a diagnosis.
