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Service bulletin 21-BE-010H

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10201470
Published by NHTSA2021-09-17
Manufacturer's number21-BE-010H
Manufacturer's date2021-08-03
NHTSA componentVISIBILITY; ELECTRICAL SYSTEM

NHTSA's summary

This bulletin provides information for troubleshooting of the Blind-Spot Collision Warning (BCW/BSD) system whenever it exhibits Diagnostic Trouble Code (DTC) C120B/D, C160A, or C164C/D. C120D15 - Left Led Circuit Short To B C120B15 - Right Led Circuit Short To B Or Open C160A88 - BSD Local CAN bus off C164C87- Local CAN time-out Rear Right C164D87- Local CAN time-out Rear Left

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Glass, wipers and mirrors

Trouble codes named

C120B, C120D, C160A, C164C, C164D

Vehicles listed
HYUNDAI HYUNDAI

Listing a model year does not mean every vehicle of it is concerned: the document says which.