NHTSA ID Number: 10161751
Manufacturer Communication Number: 19-BE-009H
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 or C160A.
35 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
HYUNDAI | IONIQ ELECTRIC | 2017-2019 |
| HYUNDAI | IONIQ HYBRID | 2017-2019 |
| HYUNDAI | IONIQ PLUG-IN HYBRID | 2019 |
| HYUNDAI | SANTA FE | 2013-2018 |
| HYUNDAI | SANTA FE SPORT | 2013-2018 |
| HYUNDAI | SONATA | 2016-2019 |
| HYUNDAI | SONATA HYBRID | 2016-2019 |
| HYUNDAI | SONATA PLUG-IN HYBRID | 2016-2019 |
| HYUNDAI | TUCSON | 2016-2019 |
Description: This bulletin provides information for troubleshooting of the Blind-Spot Collision Warning (BCW/BSD) system whenever it exhibits Diagnostic Trouble Code (DTC) C120B/D or C160A.
C120D15 – Left Led Circuit Short To B
C120B15 – Right Led Circuit Short To B Or Open
C160A88 – BSD Local CAN bus off
NOTICE
When a vehicle exhibits Diagnostic Trouble Code (DTC) C120B/D or C160A, check the wiring harness connections before attempting to replace the Blind-Spot Collision Warning (BCW/BSD) module(s).
NUMBER
19-BE-009H
DATE
MAY, 2019
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SEOCONTENT-START
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
Technical Service Bulletin
GROUP NUMBER
BODY ELECTRICAL 19-BE-009H
DATE MODEL(S)
MAY, 2019 VARIOUS
SUBJECT:
BLIND-SPOT COLLISION WARNING (BCW/BSD) MODULE
TROUBLESHOOTING INFORMATION
Description: This bulletin provides information for troubleshooting of the Blind-Spot Collision
Warning (BCW/BSD) system whenever it exhibits Diagnostic Trouble Code (DTC) C120B/D or
C160A.
C120D15 – Left Led Circuit Short To B
C120B15 – Right Led Circuit Short To B Or Open
C160A88 – BSD Local CAN bus off
Applicable Vehicles:
Sonata (LF) 2016-2019
Sonata Hybrid (LFHEV) 2016-2019
Sonata Hybrid (LFPHEV) 2016-2019
Ioniq (AE) 2016-2019
Ioniq Hybrid (AEHEV) 2017-2019
Ioniq Plug In Hybrid (AEPHEV) 2018-2019
Ioniq Electric (AEEV) 2017-2019
Tuscon (TL) 2016-2019
Santa Fe Sport (AN) 2013-2018
Santa Fe (NC) 2013-2018
Warranty Information:
Normal Warranty Applies
When a vehicle exhibits Diagnostic Trouble Code (DTC) C120B/D or C160A, check the wiring
harness connections before attempting to replace the Blind-Spot Collision Warning (BCW/BSD)
module(s).
NOTICE
The information provided in this bulletin is a general guidance to assist the technician. The
information is not specific to any vehicle. Please refer to the Electrical Troubleshooting Manual
(ETM) for the specific model to locate the general area described below.
NOTICE
BLIND-SPOT COLLISION WARNING (BCW/BSD) MODULE
TROUBLESHOOTING INFORMATION
TSB #: 19-BE-009H Page 2 of 3
SUBJECT:
SUBJECT:
Service Procedure:
DTC C120D15/C120B15
C120D15 – Left LED Circuit Short To B.
This DTC refers to an electrical connection
concern between the left side mirror BCW/BSD
LED light indicator, and the left side BCW/BSD
module.
Left BSD LED Light Indicator
C120B15 – Right LED Circuit Short To B or
Open.
This DTC refers to an electrical connection
concern between the right side mirror BCW/BSD
LED light indicator, and the right side BCW/BSD
module.
Right BSD LED Light Indicator
Check the Following in
Relation to the DTC:
1. Check continuity (<1ohm)
from BCW/BSD module to
BCW/BSD light indicator.
2. Check mirror assembly
and/or wire harness for open,
shorted, frayed wires or poor
connector fastening.
3. Check connector pins for
tension, corrosion, or
damage.
4. If steps 1-3 are confirmed
normal, then proceed with
replacing the BCW/BSD
module(s) according to the
DTC code.
C120D15 C120B15
BLIND-SPOT COLLISION WARNING (BCW/BSD) MODULE
TROUBLESHOOTING INFORMATION
TSB #: 19-BE-009H Page 3 of 3
SUBJECT:
SUBJECT:
DTC C160A88
C160A88 – BSD Local CAN bus off
This DTC generally refers to an electrical
connection concern between the left side and
the right side BCW/BSD modules.
Check the Following:
1. Check continuity (<1ohm)
of the High and Low CAN line
between the two BCW/BSD
modules.
2. Check wire harness for
open, shorted, frayed wires
or poor connector fastening.
3. Check connector pins for
tension, corrosion, or
damage.
4. If steps 1-3 are confirmed
normal, then proceed with
replacing the BCW/BSD
module(s).
C160A88
If the harnesses between the BCW/BSD modules are found faulty, a down level part is available.
Refer to TSB 18-BE-005-1 for more information. Refer to the parts catalog for the latest part
number.
NOTICE
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