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T-SB-0048-24

Manufacturer communications

Publication date
2024-05-15
Received by NHTSA
2024-07-23
NHTSA record numbers
11005150

Manufacturer summary

Original wording in English

Some 2021 – 2024 model year Sienna Hybrid vehicles equipped with a Blind Spot Monitor may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) C1AC200 (Rear Side Radar Sensor Beam Axis Misalignment) present and Blind Spot Monitor inoperative system warnings displayed.

NHTSA manufacturer communications ↗

Reported code forms

C1AC2

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

ToyotaC1AC200
Rear Side Radar Sensor Beam Axis Misalignment

NHTSA 11005150

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ToyotaSIENNA HYBRID2024
ToyotaSIENNA HYBRID2023
ToyotaSIENNA HYBRID2022
ToyotaSIENNA HYBRID2021

Data coverage →