NHTSA ID Number: 10240048
Manufacturer Communication Number: TSB-0030-23
TSB/Document Date: 2023-07-31
Summary
TSB: Some 2023 model year Sequoia Hybrid
and 2022 ? 2023 model year Tundra and Tundra Hybrid vehicles may exhibit poor acceleration and/or a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?P017400 ? System Too Lean Bank 2 ?P117B00 ? Fuel Performance/Direct Injector ?P043000 ? Catalyst System Efficiency Below Threshold Bank 2
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TSB/Document ID: TSB-0030-23
Replacement Service Bulletin Number:
MFR Communication Date: 2023-06-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE
MFR Component System:
MFR Component Subsystem:
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T-SB-0030-23
June 1, 2023
Poor Acceleration and/or MIL ON With DTC(s) P017400,
P117B00, and/or P043000
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2023
Sequoia HV
2022 - 2023
Tundra, Tundra HV
Introduction
Some 2023 model year Sequoia Hybrid and 2022 – 2023 model year Tundra and Tundra Hybrid
vehicles may exhibit poor acceleration and/or a MIL ON condition with one or more of the following
Diagnostic Trouble Codes (DTCs):
P017400 – System Too Lean Bank 2
P117B00 – Fuel Performance/Direct Injector
P043000 – Catalyst System Efficiency Below Threshold Bank 2
Follow the Repair Procedure in this bulletin to address these conditions.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective Engine Number
shown below.
MODEL YEAR
MODEL
2023
Sequoia HV
2022 – 2023
Tundra,
Tundra HV
ENGINE
PRODUCTION CHANGE EFFECTIVE ENGINE NUMBER
V35AFTS
A145845
© 2023 Toyota Motor Sales, USA
Page 1 of 5
T-SB-0030-23
June 1, 2023
Page 2 of 5
Poor Acceleration and/or MIL ON With DTC(s) P017400, P117B00, and/or
P043000
Warranty Information
OP CODE
DESCRIPTION
TIME
EG2303
R & R the LH No. 2 Fuel Delivery Pipe
and the No. 3 Fuel Sub-assy Pipe
3.9
Combo A
R & R the LH Catalyst
Converter Assembly
OFP
T1
T2
23808-F4010
8A
50
0.7
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.
2023 Model Year Sequoia Hybrid vehicles and 2022 – 2023 Model Year Tundra and
Tundra Hybrid vehicles equipped with a California Certified Emission Control System that are
registered and operated in California or any state that have adopted the California emission
warranty – California Emission Long-Term Defect Warranty is in effect for 7 years or 70,000 miles
from the vehicle’s in-service date, whichever occurs first. (Please reference Warranty Policy 4.7,
and/or the Owner’s Warranty & Maintenance Guide for additional information.)
Parts Information
PART NUMBER
PART NAME
QTY
23808-F4010
Pipe Sub-assy, Fuel Delivery, LH, No. 2
1
23803-70060
Pipe Sub-Assy, Fuel, No. 3
1
17500-F4020
Converter Assy, W/Catalyst, LH
1*
*Only replace the LH catalyst converter assembly if DTC P043000 is present.
© 2023 Toyota Motor Sales, USA
T-SB-0030-23
June 1, 2023
Page 3 of 5
Poor Acceleration and/or MIL ON With DTC(s) P017400, P117B00, and/or
P043000
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVI*
PART NUMBER
QTY
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
GTS+ software version 2023.02.001.02 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a lack of power during acceleration and/or a MIL ON condition with
one or more of the following DTCs present?
P017400 – System Too Lean Bank 2
P117B00 – Fuel Performance/Direct Injector
P043000 – Catalyst System Efficiency Below Threshold Bank 2
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Monitor the freeze frame data while the vehicle is at idle under direct injection mode.
Do the low/high fuel pressure and mass air flow sensors read close to target and normally?
YES — This condition may indicate a fuel restriction in the bank 2 fuel rail.
Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2023 Toyota Motor Sales, USA
T-SB-0030-23
June 1, 2023
Page 4 of 5
Poor Acceleration and/or MIL ON With DTC(s) P017400, P117B00, and/or
P043000
Repair Procedure (continued)
3. Remove the No. 2 LH fuel delivery pipe and the No. 3 fuel pipe.
Refer to TIS, applicable model and model year Repair Manual:
NOTE
ONLY perform steps 1 – 8 of the applicable Repair Manual.
2023 Sequoia Hybrid:
Engine/Hybrid System – Fuel System – “V35A-FTS (Fuel): Fuel Injector
(for Direct Injection): Removal”
2022 – 2023 Tundra and Tundra Hybrid:
Engine/Hybrid System – Fuel System – “V35A-FTS (Fuel): Fuel Injector
(for Direct Injection): Removal”
4. Install the NEW No. 2 LH fuel delivery pipe and the NEW No. 3 fuel pipe.
Refer to TIS, applicable model and model year Repair Manual:
NOTE
ONLY perform steps 12 and 14 of the applicable Repair Manual.
2023 Sequoia Hybrid:
Engine/Hybrid System – Fuel System – “V35A-FTS (Fuel): Fuel Injector
(for Direct Injection): Installation”
2022 – 2023 Tundra and Tundra Hybrid:
Engine/Hybrid System – Fuel System – “V35A-FTS (Fuel): Fuel Injector
(for Direct Injection): Installation”
5. Was DTC P043000 present in step 1?
YES — Continue to step 6.
NO — Go to step 7.
© 2023 Toyota Motor Sales, USA
T-SB-0030-23
June 1, 2023
Page 5 of 5
Poor Acceleration and/or MIL ON With DTC(s) P017400, P117B00, and/or
P043000
Repair Procedure (continued)
6. Remove the LH catalyst converter assembly and install a NEW LH catalyst
converter assembly.
Refer to TIS, applicable model and model year Repair Manual:
2023 Sequoia Hybrid:
Engine/Hybrid System – Emission Control – “V35A-FTS (Emission Control): Monolithic
Converter: Removal / Installation”
2022 – 2023 Tundra and Tundra Hybrid:
Engine/Hybrid System – Emission Control – “V35A-FTS (Emission Control): Monolithic
Converter: Removal / Installation”
7. Test-drive the vehicle to confirm the condition(s) no longer exist(s).
© 2023 Toyota Motor Sales, USA
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