RISOLTO: What sensor causes this error? - 2011-2015 Kia Optima

What sensor causes this error?

I have redacted the VIN, nothing more

So this issue is not new - the last time it occurred on this car, the mirror was known bad and apparently at the time, intermittent until it hard failed. I replaced the mirror with an aftermarket part and it was good for ~2-3 months after calibration, but the issue has come back. I scanned it, cleared it and outside of the known TPMS codes which persist because at the time I forgot about it, the ADAS code is persistent.

The only other thing I can think here is with the C207354 code coming back is the bumper sensor is at fault. Looking for a second opinion.

Risposto! Visualizza la risposta Anch'io ho questo problema

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Postato: 8 feb 2026

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@nick I concur and this does seem to come from the bumper sensor. Check Kia's TSB BLIND SPOT DETECTION (BSD) SYSTEMon that one. Looks like it's time for some reflashing ;-)

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3 Commenti:

I have read these are prone to liquid in the connector. Might be worth a look before having a reflash done. I did see the TSB but was looking around for other ideas.

8 feb 2026 da Nick

@nick according to the TSB seems like a common error with this model

8 feb 2026 da oldturkey03

@oldturkey03 Figures. I at least have the TSB and can push them to fix it for free, and receipts with the code from the scanner, with and without the TPMS codes to show it is persistent.

8 feb 2026 da Nick

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2011-2015 Kia Optima

What sensor causes this error?

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