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walterstorm96

Audi A7 Suspension Failure: Critical Fix Needed

Looking for advice on my 2014 A7 3.0 TFSI with ongoing vehicle suspension problems. Warning light popped up in the cluster and car is riding really rough lately. Mechanic checked and found error codes related to damping control, but quoted a crazy price. Car has 176784 km on it. Has anyone dealt with similar suspension failure symptoms and can recommend if this needs immediate attention? Also curious about typical repair costs for this type of suspension issue.

4 comment(s)

achimkeller47

Previously dealt with nearly identical suspension system issues on a 2011 A6 3.0 TFSI. The symptoms matched exactly, rough ride quality and damping control warnings. Initial diagnostic revealed faulty wiring connections to the electronic damper control unit. The suspension failure turned out more complex than expected. What started as error codes led to discovering corroded plug connections at the control module. The poor connections were causing incorrect damping control signals, making the suspension behave erratically. This required complete replacement of the wiring harness and connectors for the suspension components. While labor-intensive, this was critical to prevent complete suspension system failure which could severely impact car handling and safety. The repair cannot be postponed as the suspension tuning continues degrading, potentially damaging other components. The electronic damping system on these models is integrated, when one part fails, it affects the entire suspension performance. Would strongly advise addressing this soon. While not an immediate safety hazard, postponing repairs typically leads to more extensive suspension damage and higher repair costs down the line. The symptoms will worsen with time.

walterstorm96 (Author)

Really appreciate the detailed insight on the suspension system issues. Your A6 situation sounds very similar to what my A7 is experiencing. My mechanic also mentioned wiring problems could be the root cause of the damping control errors. Before I move forward with repairs, would you mind sharing what the total cost ended up being for your fix? Also curious if you encountered any other related problems since getting it repaired? Want to make sure I budget appropriately and know what to watch out for with my vehicle suspension going forward.

achimkeller47

Happy to report that fixing the damping adjustment issue on my A6 turned out simpler and more affordable than initially feared. The suspension issue was resolved by repairing a faulty cable connection to the damping control unit, costing just 95 Euro for parts and labor. Since the repair, the car handling has returned to normal with no warning lights or rough ride problems. The suspension system has been working flawlessly for over a year now. The mechanic confirmed the electronic damping was failing due to a poor electrical connection, rather than actual component failure. This relatively straightforward fix restored proper suspension tuning without needing extensive parts replacement. Would suggest having your mechanic specifically check the wiring and connections first, as it could save substantial repair costs compared to replacing major suspension components. Keep in mind that suspension issues can vary, but starting with the simplest potential cause, like checking connections, often makes sense before assuming worst-case scenarios.

walterstorm96 (Author)

Took my A7 to the mechanic last week after getting advice here. Turns out you were spot on about the wiring being the likely culprit with my vehicle suspension problems. The mechanic found corroded connections at the damping control module, similar to what you described. Total repair came to 140 Euro including parts and labor, way less than the initial quote. They cleaned up the connections, replaced some wiring, and recalibrated the suspension system. Car handling is back to normal now with no more warning lights or rough ride. The suspension tuning feels perfect again, way better than I expected. Definitely glad I got it checked out before the problem got worse. Really appreciate everyone who shared their experience and helped me avoid unnecessary expensive repairs.

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