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information contained in this bulletin supersedes Service Bulletin No. T-SB-0058-13.Service Bulletin No. T-SB-0058-13 is obsolete and any printed versions should be discarded.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.
30CG4100
Yes
30CD7000
30CD7100
30CD7200
30CD7300
No
30CD6000
30CD6100
30CD6200
Yes
30CA0000
30CA0100
30CA0200
50C31000
30CA0300 /
50C31100
No
30C89000
30C89100
30C89200
50C30000
30C89300 /
50C30100
2012 – 2013
Tundra
2011
3UR-FBE
4WD
CALIBRATION ID
Yes
Small
2010
2009
© 2020 Toyota
Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 6 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Calibration Information (continued)
MODEL
MODEL YEAR
DRIVETRAIN
TOW
PACKAGE
FUEL
TANK
CALIBRATION ID
PREVIOUS
NEW
2018
30CP0000
30CP0100
30CP0200
2016 – 2017
30CM4000
30CM4100
30CM4200
2014 – 2015
30CM0000
30CM0100
30CM0200
30CM0300
30CM0400
50CA2000
30CM0500 /
50CA2100
2012 – 2013
30CK6000
30CK6100
30CK6200
30CK6300
30CK6400
30CK6500
30CK6600
30CK6700
2011
30CJ2000
30CJ2100
2010
30CE2000
30CE2100
30CE2200
2009
30CA2000
30CA2100
30CA2200
50C33000
30CA2300 /
50C33100
Sequoia
3UR-FBE
4WD
Yes
Small
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 7 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Repair Procedure
1. Confirm the condition exists.
Is a hard start condition and/or ANY of the DTCs described in the Introduction present
(DTC P0171, P0174, P0172, P0175, and/or P1604)?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Using Techstream Data List (Engine and ECT – Data List), locate the fuel trim and alcohol
density estimate parameters.
The fuel trim values are -10%.
For vehicles fueled with E0 – E10, the alcohol density estimate is 15%.
NOTE
Actual fuel alcohol density can be measured.
Refer to TIS, applicable model and model year Repair Manual:
2012 / 2013 / 2014 / 2015 / 2016 – 2019 Tundra:
Engine/Hybrid System – Fuel System – “3UR-FBE Fuel: Fuel System: On-Vehicle Inspection”
2012 / 2013 / 2014 / 2015 / 2016 – 2018 Sequoia:
Engine/Hybrid System – Fuel System – “3UR-FBE Fuel: Fuel System: On-Vehicle Inspection”
Is AT LEAST one of the statements above true?
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 8 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Repair Procedure (continued)
3. Use Techstream to confirm if the ECM (PCM) calibration has been updated and check for
the Authorized Modifications Label affixed to the vehicle in the location shown below.
Is the calibration ID listed in Techstream and on the label the latest ECM (PCM) calibration?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
NO — Continue to step 4.
Figure 1. Location of Authorized Modifications Label on 2009 – 2018 Sequoia and 2009 – 2019 Tundra
TOYOTA MOTOR CORPORATION
AUTHORIZED MODIFICATIONS
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
1
2
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPA AND CARB
3
DEALER CODE:
CHANGE AUTHORITY:
4
DATE:
5
1
Replacement ECM (PCM) Part Number
(e.g., 89661-0CS12)
4
Date Completed
2
New Calibration ID (e.g., 30CP0200)
5
This SB Number
3
Dealer Code
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 9 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Repair Procedure (continued)
4. Flash reprogram the ECM (PCM).
NOTE
The battery diagnostic tool MUST be used in Power Supply Mode to maintain battery voltage at
13.5V while flash reprogramming the vehicle.
For details on how to use the GR8 battery diagnostic station, refer to the DCA-8000P_T Instruction
Manual located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in Service Bulletin T-SB-0134-16, Techstream ECU Flash
Reprogramming Procedure, and flash the ECM (PCM) with the NEW calibration file update.
5. Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
ECM (PCM) part number [Refer to the Parts Information section for the NEW
PART NUMBER]
Calibration ID(s) [Refer to the Calibration Information section for the
NEW CALIBRATION ID]
Dealer Code
Repair Date
Change Authority [This bulletin number]
B. Install the Authorized Modifications Label onto the vehicle at the location shown in
Figure 1. The Authorized Modifications Label is available through the MDC,
P/N 00451-00001-LBL.
6. Replace the fuel pump.
A. Remove the fuel pump.
Refer to TIS, applicable model and model year Repair Manual:
2009 / 2010 / 2011 / 2012 / 2013 / 2014 / 2015 / 2016 / 2017 / 2018 Sequoia:
Engine/Hybrid System – 3UR-FBE Fuel – “3UR-FBE Fuel: Fuel Pump: Removal”
2009 / 2010 / 2011 / 2012 / 2013 / 2014 / 2015 / 2016 / 2017 / 2018 / 2019 Tundra:
Engine/Hybrid System – 3UR-FBE Fuel – “3UR-FBE Fuel: Fuel Pump: Removal”
B. Install the NEW fuel pump.
Refer to TIS, applicable model and model year Repair Manual:
2009 / 2010 / 2011 / 2012 / 2013 / 2014 / 2015 / 2016 / 2017 / 2018 Sequoia:
Engine/Hybrid System – 3UR-FBE Fuel – “3UR-FBE Fuel: Fuel Pump: Installation”
2009 / 2010 / 2011 / 2012 / 2013 / 2014 / 2015 / 2016 / 2017 / 2018 / 2019 Tundra:
Engine/Hybrid System – 3UR-FBE Fuel – “3UR-FBE Fuel: Fuel Pump: Installation”
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 10 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Repair Procedure (continued)
7. Using Techstream Utility, perform the learning value reset.
NOTE
Engine learned values CANNOT be reset by disconnecting the battery negative (–) battery terminal
or removing the EFI No. 1 and ETCS fuses.
A. Turn the ignition switch ON.
B. Navigate to the utility: Powertrain – Engine and ECT – Utility – Learning Value Reset
C. Ensure the following conditions are met:
Ignition switch: ON
Engine: 0 RPM
Battery voltage: 9.0V
D. Click Next.
Initialization will begin.
E. Click Exit.
8. Using Techstream Data List (Engine and ECT – Data List), confirm the fuel trim values
are 0%.
9. Using Techstream Utility, perform the fuel density learning value reset.
A. Turn the ignition switch ON.
B. Navigate to the utility:
Powertrain – Engine and ECT – Utility – Fuel Density Learning Value Reset
C. Ensure the following conditions are met:
Ignition switch: ON
Engine: 0 RPM
Battery voltage: 9.0V
D. Click Next.
Initialization will begin.
E. Click Exit.
10. Turn the ignition switch OFF.
© 2020 Toyota Motor Sales, USA
T-SB-0166-19
Rev1
December 6, 2019
Page 11 of 11
Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604
(Flex-Fuel)
Repair Procedure (continued)
11. Add 3 gallons of fuel to the vehicle.
12. Turn the ignition switch ON.
13. Using Techstream Data List (Engine and ECT – Data List), confirm the alcohol density
learning parameter shows INCOMPLETE.
14. Test-drive the vehicle to ensure the condition(s) no longer exists.
© 2020 Toyota Motor Sales, USA
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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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