T-SB-0039-13 Service Bulletin/Repair Instructions

@ TOYOTA

Rev1
T-SB-0039-13
Technical Service Bulletin
March 6, 2013
Blind Spot Monitor OTC C1AB4/C1AB5

Service

Category
AudioNisualrfelematics
Section
Park Assist/Monitoring
Market
Toyota Supports ~

ASE Certification~
USA
Applicability

YEAR(S)
MODEL(S)
2013
Ava lon HV
2013
Avalon
ADDITIONAL INFORMATION
REVISION NOTICE
April 19, 2013 Rev1 :

• The Production Change Information section has been updated.

Any previous printed versions of this bulletin should be discarded.
Introduction

Some 2013 model year Avalon and Avalon HV vehicles may display a "Check Blind Spot Monitor

System" message on the multi-information display with Diagnostic Trouble Code (OTC) C1AB4

and/or C1AB5 stored. The procedure in this bulletin has been developed to address this condition.

Production Change Information

This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown

below.

MODEL
Avalon
GRADE
Limited

Touring
Avalon HV
PLANT
PRODUCTION CHANGE EFFECTIVE VIN
4T1BK1EB#DU007805

TMMK
Limited
4T1BK1EB#DU007797

4T1BD1EB#DU002034

4T1801 EB#DU002043
© 2013 Toyota Motor Sales, USA
Page 1 of 12
@TOYOTA
Rev1
T-SB-0039-13
March 6, 2013
Page 2 of 12
Blind Spot Monitor OTC C1AB4/C1AB5
Warranty Information

OP CODE
DESCRIPTION
EL1302
Repair Wire Harness (Both Sides)
TIME
OFP
T1
T2
1.0
87901-07020

87901 -07030

87906-07060

87906-07050
72
71
APPLICABLE WARRANTY

• This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months

or 36,000 miles, whichever occurs first, from the vehicle's in-service date.

• Warranty application is limited to occurrence of the specified condition described in this

bulletin.
Parts Information

PREVIOUS PART NUMBER
CURRENT PART NUMBER
PART NAME
QTY
-
82999-5201 0
Sleeve
2
-
82999-30010
Thermo Contact Tube
3
Required Tools & Equipment

SPECIAL SERVICE TOOLS (SST)
Wire Crimper (Non Insulated)*
PART NUMBER
QTY
09042-2C 100
1
NOTE

Additional SSTs may be ordered by calling 1-800-933-8335.

REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*

TIS Techstream
PART NUMBER
QTY
TS2U NIT

ADE
Techstream Lite
TSPKG 1

TSLITEDLR01
NOTE

•
Only ONE of the Techstream units listed above is required .
•
Software version 8.10.021 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.

• Essential SST.
© 2013 Toyota Motor Sales, USA
1
@TOYOTA
T-SB-0039-13
Rev1
March 6, 2013
Page 3 of 12
Blind Spot Monitor OTC C1AB4/C1AB5
Inspection Procedure
Using Techstream, check for stored OTCs. Confirm one of the following OTCs is present:

• C 1AB4 - Open in Outer Mirror Indicator (Master)

• C1AB5 - Open in Outer Mirror Indicator (Slave)

If OTC C1AB4 or C1AB5 is stored as a current or history OTC, complete the Repair Procedure to

BOTH outer side rear view mirror assemblies.

If OTC C1AB4 or C1AB5 is NOT stored as current or history, STOP! This bulletin does NOT apply.

Refer to the Technical Information System (TIS), applicable model and model year Repa ir

Manual:

• 2013 Avalon:

AudioNisual/Telematics - Park Assist I Monitoring - "Park Assist I Monitoring: Blind Spot

Monitor System: Problem Symptoms Table"

• 2013 Avalon HV:

AudioNisual/Telematics - Park Assist I Monitoring - "Park Assist I Monitoring: Blind Spot

Monitor System: Problem Symptoms Table"
© 2013 Toyota Motor Sales, USA
@TOYOTA
T-SB-0039-13
Rev1
Page 4 of 12
March 6, 2013
Blind Spot Monitor OTC C1AB4/C1AB5
Repair Procedure
The following repair procedure will instruct how to remove the Blind Spot Monitor (BSM) indicator

ground circuit from the harness and splice it into the Mirror Heater ground circuit.

NOTE
•
Use the same procedure for both the RH and LH sides.
• The procedure described below is for the LH side.
1. Remove outer rear view mirror cover.

Refer to TIS, applicable model and model year Repair Manual:

• 2013 Avalon:

Vehicle Exterior- Mirror (Ext) - "Mirror (Ext): Outer Rear View Mirror Cover: Removal"

• 2013 Avalon HV:

Vehicle Exterior- Mirror (Ext) - "Mirror (Ext): Outer Rear View Mirror Cover: Removal"

2. Remove the tape from the two wire BSM indicator Figure 1.

wire harness.

....,....,......,....,,,.....------,,,...-
1
© 2013 Toyota Motor Sales, USA
I
Tape Location
@TOYOTA
T-SB-0039-13
Rev1
March 6, 2013
Page 5 of 12
Blind Spot Monitor OTC C1AB4/C1AB5
Repair Procedure (Continued)
3. Measure 20 mm (0.79 in.) from the junction of the

mirror harness and cut the YELLOW wire.
Figure 2.

...,..----------------~...,
NOTE
Mirror removed for illustration purposes

only. Mirror does NOT need to be removed

SaleBestseller No. 1

LAUNCH CRP123 V2.0 OBD2 Scanner-2026 New Model Engine/ABS/SRS/Transmission Diagnostic Scan Tool SRS Airbag Code Reader,3 Reset Oil Service/Throttle Relearn/SAS Reset,Lifetime Free Update

【Great Ideal For Every Car Owner】Prefect choice for your father, husband, brother or boyfriend. EVERY CAR OWNER WILL NEED IT! Also, the lifetime update is provided for more vehicle coverage, bug fixes. SAVE AT LEAST $1000+ PER YEAR!Get LAUNCH CRP123 V2.0 car diagnostic scanner and give your lover a surprise!*R each us to Get the Extra Gifts :Protective Case Storage Bag.
【Newly Added 3 Reset Functions】CRP123 V2.0 obd2 scanner with upgrades it offers Throttle Adaptation,Oil Reset and SAS Reset functions for FREE now!! Optimize your engine performance with Throttle Adaptation, reset your oil life system with ease to save time and money on maintenance, and enhance your vehicle's handling and safety with SAS Reset.Covering more daily repairs,become the most cost-effective product in its price range,save your time and money!
【 Read & Clear/Reset Engine/ABS/SRS/Transmission Diagnostic Scan Tool 】LAUNCH CRP123 V2.0 OBD2 Scanner can test Engine, Transmission, ABS and Airbag four systems, also reads and resets code, displays data stream graphic, stores and playbacks dynamic data stream,helps to quick analysis and diagnosis.
【 Error Fault Code Reader】Except the full 10 modes OBD2 diagnostic functions like, retrieving I/M readiness, Freeze Frame Data, Read Dynamic Data stream and Vehicle Information, O2 Sensor Test, EVAP Test of Fuel Tank System (Mode 8) and Advanced On-board Monitoring (Mode 6), launch crp123 v2.0 obd2 scanner can not only reveal what error codes your car is producing, but also erase your vehicle’s check engine light after problem fixed, the DTC help and explanation also tell you the exact problem.
【 Live Data Graphing + Read/Record/Playback Data stream + Print diagnostic data 】Live Data Graphing,more intuitive to know your vehicle’s problem.4 inches Screen Screen ;Print Function:Print the diagnose result easily; with user manual and register & update tutorial video uploaded in the link by us,you can Look up it anytime by ONE-CLICK.

SaleBestseller No. 2

Launch OBD2 Scanner CRP123X V3.0 Elite, 2026 Lifetime Free WiFi Update Scan Tool, FCA SGW, CANFD&DoIP, SAS/Throttle/Brake/BMS/D-P-F/Oil/ABS Service Multi Systems Car Scanner, Battery Test, Auto VIN

[Newly Added in 2026: 7 Reset Functions] The 2026 new version of the OBD2 scanner diagnostic tool CRP123X V3.0 Elite has new special functions for F.REE: Throttle Ad.aptation, Oil/SAS/BMS/Brake Reset, D-P.F Re.generation and ABS Service. Before you visit a mechanic, launch obd2 Scanner CRP123X Elite can perform a more in-depth diagnosis of the car system and provide accurate data within minutes. What's more, the list of compatible models has been expanded. Upgrading frequency is regular, occurring monthly even weekly.
🔥[FCA AutoAuth + CAN FD & DoIP] As an upgraded version of the LAUNCH CRP123X/CRP129X, FOXWELL NT614, and ANCEL FX2000, The Newest LAUNCH CRP123X V3.0 auto diagnostic scanner supports the following new protocols: CAN-FD for 2020 and newer G.M and Chrysler models, as well as DoIP for V.olvo, Land Rover/Jaguar, and B.MW F/G chassis. With integrated AutoAuth, you can diagnose 2018 and newer FCA cars equipped with S.GW. Note: CAN-FD and DoIP protocols require an additional obd2 cable. *Menus vary by make, model, and year of gasoline or diesel engine vehicle. Email us your VIN data.
🔥[No extra software fee. Works on 90 vehicle brands.] Most OBD2 scanners work with vehicles manufactured after 2001. However, the LUNCH OBD2 scanner is compatible with OBDII-equipped vehicles built after 1996 and works with more than 90 vehicle brands. One-click lifetime updates over WIFI 2.4&5.0Ghz keep the car software current and ensure constant coverage additions, diagnose vehicles from 1996 to 2026 with a massive global database. Android 8.1 ensures lightning-fast boot-up and processing.
[Accurate & Intuitive Multi System Diagnosis] Will you be confused about what happens when the warning light of transmission, ABS, and SRS Airbag check engine flashes? Launch obd2 scanner diagnostic tool CRP123X V3.0 to pinpoint the problem components for a faster diagnosis for your car instead of taking your car to the dealership. Generate vehicle health reports with one click and share them via email over Wi-Fi to help avoid blind maintenance. And will turn off the warning light for you after fixing the problem, make to know more about your cars and do your own repair.
[Multiple Display of Live Data + DTC Code Definition Explanation] Launch car tools show real-time data of oil temp, pressure, transmission temp, engine speed, coolant temperature, you will know which car part is abnormal. Data can be shown in a single, multi- graph, and merge two graphs for analysis（or 4-in-1 merged waveform graph),you can save, share, print, or email the overall inspection report for easier analysis.🔥Code Search,DTC Library provide massive information. Inbuilt “Feedback” module provides customized repair suggestions from our certified professionals.

SaleBestseller No. 3

LAUNCH X431 CRP919EBT 2026 Wireless Bidirectional Scan Tool, All-in-One Full System OBD2 Scanner, ECU Coding, 35+ Services, CANFD&DOIP, FCA AutoAuth, VAG Guide, 2Yrs Free Update, Upgraded of CRP919E

🔥【2026 TOP HARDWARE AND SOFTWARE UPGRADE，UPGRADED OF CRP919E】LAUNCH scanner CRP919EBT wireless obd2 scanner has upgraded TOP HARDWARE CONFIGURATION and ADD NEWEST FUNCTIONS. The more FASTER and SMARTER CRP919EBT with 🔥Bluetooths & USB 2-in-1 connect🔥Android 10.0 OS🔥2.0Ghz 4 core high efficiency processor 4GB RAM+64GB ROM large storage🔥6300mAh large battery, more stable and longer lasting diagnostics🔥VAG Guided🔥ECU Code🔥Bi-directional Control🔥35+ Resets🔥CANFD&DOIP🔥FCA AutoAuth🔥Full System Diagnostics🔥2 Yrs Update🔥Newly add BST360 battery tester & I-TPMS & VSP600 endoscope🔥23+ Languages. Provide an unparalleled diagnostic experience at an affordable price.
🚗【CAN FD & DOIP & FCA, SUPER PROTOCOL】LAUNCH X431 CRP919EBT is equipped with the DBSCAR VII Bluetooth connector supporting CANFD and DoIP. The CRP919EBT automotive diagnostic scanner supports CAN FD protocol (compatible with post-2020 GM vehicles). It also meets DoIP protocol requirements (adapter sold separately) for compatibility with BMW (E & F chassis) models from 2017 onward. Autoauth for FCA SGW supports FCA vehicles including Chrysler models from 2017 and later.
✔️【ADVANCED ECU CODE, ADAPTATION, CALIBRATION & INITIALIZATION】The LAUNCH X431 CRP919EBT automotive scanner delivers ‌exceptional ECU code capabilities‌ for customized vehicle setups. It provides ‌dealer-level functionality‌ to streamline maintenance and repairs, enabling ‌ECU matching and learning for enhanced customization.
👍【BIDIRECTIONAL CONTROL, 4000+ ACTIVE TESTS】LAUNCH OBD2 scanner CRP919EBT features bi-directional control - the most demanded capability among mechanics. When headlights or windows malfunction, repairs can be costly. With CRP919EBT, execute ECU commands and assess repair status through systems including ABS, windows, valves, wipers, and headlights - streamlining diagnostics while slashing repair expenses.
🥇【35+ MOST POPULAR RESET SERVICE FOR 160 MAKES】Same as Snap-on scanners, CRP919EBT scan tool delivers 35+ reset functions for 160+ vehicle models, including: service oil reset, throttle adaptation, steering angle calibration, brake pad replacement code, tire pressure reset, ABS bleeding, battery registration, gear signal learning, and injector code, etc.

This product presentation was made with AAWP plugin.

Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API

Buffer Email Facebook Flipboard Hacker News LinkedIn Messenger Mix Pinterest Print Reddit SMS Telegram Tumblr X VK WhatsApp Line Xing Threads Bluesky Copy Mastodon Nextdoor