100% Free

No Scanner Needed

Carly logo

heinz_flamme1

Audi TT Airbag Warning: Rollover Sensor Alert Fix

Looking for advice. The airbag warning light just came on in my 2019 Audi TT (gas, 76830 km) and the error memory shows a fault. After researching a bit, I suspect it might be the rollover sensor causing the issue. Has anyone dealt with similar vehicle safety warnings? Really want to avoid getting ripped off at the mechanic again after my last experience. What should I expect for diagnosis and repair costs of the automotive sensor system?

4 comment(s)

peter_smith4

Had a similar issue with my 2016 Audi S3. The airbag warning light activated due to a faulty SRS sensor connection. Initially thought it was just a rollover sensor, but diagnostic testing revealed more complex crash detection system problems. The safety system needed complete inspection since faulty airbag sensors can prevent proper deployment during accidents. The root cause was a corroded wiring harness affecting the control unit. The repair involved: Full diagnostic scan of all safety modules, Removal and replacement of affected control unit, Recalibration of the airbag sensor system, Testing of all crash detection components This is considered a serious safety issue requiring immediate attention. The repair process took about 4 hours in total. Driving with compromised airbag sensors puts passengers at risk since the system may not respond correctly during an incident. Suggest having a certified technician perform a complete diagnostic scan. Sensor failure in these models often indicates underlying electrical issues that need professional assessment. Make sure they check both the rollover sensor and surrounding components, as the initial warning light can sometimes mask bigger problems.

heinz_flamme1 (Author)

Thanks for sharing your experience with the airbag sensor problem. My TT had almost the exact same issue last year, the tilt sensor malfunction triggered the warning light. Good to know about the wiring harness being the culprit in your case. How much did the complete SRS sensor repair end up costing you? Also curious if youve had any other warning lights or safety system problems since the fix?

peter_smith4

Glad I could help with the sensor issue insight. The complete repair of the SRS sensor system and vehicle rollover detection unit came to 1000 Euro total. Since having the faulty control unit replaced and recalibrated, the automotive sensor system has worked flawlessly, no warning lights or safety alerts for over 8 months now. The mechanic explained that these vehicle safety components are quite robust when properly maintained, but once they start failing, its crucial to address them quickly. The rollover sensor malfunction was completely resolved after replacing the affected control unit. Looking back, the repair cost was worth it for the peace of mind knowing the crash detection system is functioning correctly. No other issues with any safety systems since the fix, all sensors are communicating properly with the main control unit now.

heinz_flamme1 (Author)

Just got back from the mechanic and wanted to update. Turns out it was indeed a faulty rollover sensor causing the airbag warning. The total repair came to 850 Euro, which included a new SRS sensor unit and labor costs. The diagnostic scan showed the original sensor had water damage from a small leak near the mounting point. They fixed both issues and recalibrated the entire safety system. The whole process took about 3 hours. Best part is, no warning lights since the repair and the crash detection system is working perfectly now. Really appreciate the advice about getting it checked right away, definitely saved me from bigger problems down the road.

Join the discussion now: