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Radar Module -Front center (MRR) - Component Failure / error code C21A909
#3
Hi there,

Thank you very much for your message.

It could either be a hardware defect in the front center MRR, or the connection might not be establishing due to a loose cable.

For now, please check whether you’re receiving a DTC log for the MRR and feel free to send us the DTC report here. In any case, I would recommend performing a hard reset first and then checking the DTC report for the MRR.

Best regards,
Freesker Team
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RE: Radar Module -Front center (MRR) - Component Failure / error code C21A909 - by Freesker Support - 27.07.2026, 22:59

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