NHTSA ID Number: 10171454
Manufacturer Communication Number: T-SB-0166-19_Rev
TSB/Document Date: 2020-02-18
Summary
TSB: REVISION NOTICE January 23, 2020 Rev1: G1439 The Parts Information, Calibration Information, and Repair Procedure sections have been updated. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0058-13.Service Bulletin No. T-SB-0058-13 is obsolete and any printed versions should be discarded. Some 2009 ? 2018 model year Sequoia and 2009 ? 2019 model year Tundra vehicles equipped with a 3UR-FBE engine may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ? DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ? DTC P0172 and/or P0175 (System Too Rich Bank 1/Bank 2) ? DTC P1604 (Startability Malfunction) Techstream data list analysis may reveal negative fuel trims and an elevated alcohol density estimate relative to the vehicle?s actual fuel alcohol content. Follow the Repair Procedure in this bulletin to address these conditions.
T-SB-0166-19
Rev1
December 6, 2019
Extended Crank and/or MIL ON With DTC P0171, P0174,
P0172, P0175, P1604 (Flex-Fuel)
Service
Category
Engine/Hybrid
System
Section
Starting
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2009 - 2018
Sequoia
VDS(s): BW5G1, BW64A, BW67A, BW68A,
DW5G1, JW5G1
2009 - 2019
Tundra
VDS(s): AW5F1, BW541, BW581, BW5F1,
CW541, CW5F1, DW541, DW581, DW5F1,
EW5F1, FW5F1, GW5F1, HW5F1, HWSF1,
KW521, KW5F1, MW521, MW5F1, NW5F1,
PW5F1, RW5F1, SW5F1, TW5F1, UW5F1
REVISION NOTICE
January 23, 2020 Rev1:
The Parts Information, Calibration Information, and Repair Procedure sections have
been updated.
SUPERSESSION NOTICE
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0058-13.
Service Bulletin No. T-SB-0058-13 is obsolete and any printed versions should be discarded.
Introduction
Some 2009 – 2018 model year Sequoia and 2009 – 2019 model year Tundra vehicles equipped
with a 3UR-FBE engine may exhibit a hard start and/or MIL ON condition with one or more of the
following Diagnostic Trouble Codes (DTCs):
DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2)
DTC P0172 and/or P0175 (System Too Rich Bank 1/Bank 2)
DTC P1604 (Startability Malfunction)
Techstream data list analysis may reveal negative fuel trims and an elevated alcohol density
estimate relative to the vehicle’s actual fuel alcohol content. Follow the Repair Procedure in this
bulletin to address these conditions.
© 2020 Toyota Motor Sales, USA
Page 1 of 11
T-SB-0166-19
Rev1
December 6, 2019
Page 2 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1904
Reprogram Engine ECM (PCM),
R & R Fuel Pump,
Reset Fuel Alcohol Learn Value,
and Add Fuel*
2.2
89661-0C###
07
74
*A maximum of $15.00 (3 gallons of fuel) will be allowed under sublet type “GA.”
APPLICABLE WARRANTY
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for
96 months or 80,000 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
PART NUMBER
PART NAME
77020-0C090
77020-0C120
1
Tube Assy, Fuel Suction W/Pump and Gage
77020-0C170
1
1
77169-0C010
Gasket, Fuel Suction Tube Set
1
77144-08010
–
77158-08010
Support, Tank Suction Tube
–
89661-0C###
Computer, Engine Control
–
00451-00001-LBL
Authorized Modifications Labels
1
NOTE
QTY
The fuel pump gauge retainer should be replaced ONLY if the original is damaged upon removal.
The tank suction tube support should be replaced ONLY if the original is damaged upon removal.
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
Authorized Modifications Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Parts – Dealer Support Materials Orders.
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 3 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
QTY
TSADVUNIT
Techstream 2.0
Techstream Lite
PART NUMBER
TS2UNIT
ADE
Techstream Lite (Green Cable)
1
TSLITEPDLR01
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 14.30.022 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Battery Diagnostic Tool*
DCA-8000P_T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 4 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Calibration Information
MODEL
MODEL YEAR
ENGINE
DRIVETRAIN
TOW
PACKAGE
2019
4WD
PREVIOUS
NEW
Large
30CP8001
30CP8101
Small
30CP7001
30CP7101
Large
30CN6001
30CN6101
30CN6201
Small
30CN5001
30CN5101
30CN5201
Large
30CM5000
30CM5100
30CM5200
Small
30CM7000
30CM7100
30CM7200
Large
30CM5001
30CM5101
30CM5201
30CM7001
30CM7101
30CM7201
30CL4000
30CL4100
30CL4200
30CL4300
30CL4400
50C84000
30CL4500 /
50C84100
2018
2WD
Tundra
2016 – 2017
3UR-FBE
Yes
CALIBRATION ID
FUEL
TANK
4WD
Small
2014 – 2015
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 5 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Calibration Information (continued)
MODEL
MODEL YEAR
ENGINE
DRIVETRAIN
TOW
PACKAGE
FUEL
TANK
PREVIOUS
NEW
Yes
30CK0000
30CK0100
30CK0200
30CK0300
30CK0400
30CK0500
30CK0600
30CK0700
No
30CJ9000
30CJ9100
30CJ9200
30CJ9300
30CJ9400
30CJ9500
30CJ9600
30CJ9700
30CG5000
30CG5100
30CG5200
No
30CG4000
- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
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TSB/Document ID: T-SB-0166-19_Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2020-01-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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