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Quick Links: 2022 TPMS sensors Pano Roof Drain Tube What adhesive is used for the camera? Transmission fluid Exchange and Service DIY Rear seat covers - Looking for some recommendations Wrap Question

New C4 bumper, issue with radar sensor.

Discussion in '3rd Gen Tundras (2022+)' started by Spammusubiboy619, Jun 9, 2025 at 11:34 AM.

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Jun 9, 2025 at 11:34 AM

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Spammusubiboy619 [OP] New Member

Joined:

Nov 27, 2024

Member:

#126477

Messages:

12

Gender:

Male

First Name:

Paul

Vehicle:

2024 White SR5 4x4

Recently installed a new C4 bumper on my '24, and the radar collision sensor isn't functioning after being re mounted on the new bumper. I was hoping to adjust the sensitivity down, to try and fix the issue, but the adjustment is frozen and can't be changed.

I'm getting this message on the center instrument panel: "Pre-Collision System Radar In Self Calibration Unavailable See Owner's Manual"

Has anyone troubleshot this issue with an aftermarket bumper?

Currently, I'm just turning the pre collision sensor off every time I start up, to avoid the error message from hijacking my panel.

Spammusubiboy619, Jun 9, 2025 at 11:34 AM

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