NHTSA ID Number: 10109360
Manufacturer Communication Number: T-SB-0144-14
TSB/Document Date: 2017-08-01
Summary
TSB: Some 2014 - 2015 model year Sequoia and Tundra vehicles equipped with 3UR engines may exhibit a MIL "ON" condition with the following Diagnostic Trouble Codes (DTCs): ? P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1 ? P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2 This condition may be caused by debris/ice in the air switching valve assembly. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been changed to reduce the possibility of this condition occurring.
CG) TOYOTA T-SB-0144-14 November 7, 2014 Page 4 of 7
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
r
Calibration Information
SEQUOIA
CALIBRATION ID
MODEL YEAR ENGINE TRANS OPTION Ecu
PREVIOUS NEW
on 30CJ4000
2WD 3004100 3004200 / 50088100
Sub 50088000
Main 30CJ4001
4WD 300J4101 30CJ4201 / 50088101
Sub 50088001
3UR-FE
Main 30063000
2014 — 2015 2WD 30CG3100 30CG3200 / 50087100
Sub 50087000
Towing
vee 30CG3001
4WD 30063101 30CG3201 / 50C87101
Sub 50C87001
_ Matt 30CMO000
3UR-FBE | 4WwD 30CM0100 30CM0200 / 50CA2100
Towing Sub 50CA2000
© 2014 Toyota Motor Sales, USA
CP)TOYOTA T-SB-0144-14 November 7, 2014 Page 5 of 7
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Calibration Information (Continued)
TUNDRA
CALIBRATION ID
MODEL YEAR ENGINE TRANS OPTION ECU
PREVIOUS NEW
Main 30CLO000
2WD 30CL0100 30CL0200 / 0680100
Sub 50C80000
Main 30CL0001
4WD 30CL0101 30CL0201 / 50C80101
Sub 50080001
3UR-FE
an 30CL1000
2WD 30011100 30CL1200 / 50681100
Sub 50081000
2014 — 2015 Towing
an 30CL1001
4WD 30CL1101 30CL1201 / 50681101
Sub 50081001
re 30CL3000
- 30CL3100 30CL3200 / 50683100
Sub 50083000
3UR-FBE | 4WD
an 30CL4000
Towing 30CL4100 30CL4200 / 50084100
Sub 50084000
Main 30CM2000
2WD 30CM2100 / 50081100
Sub 50081000 a
3UR-FE
Towing, Main 30CM2001
2015 4WD | Large Fuel 30CM2101 / 50081101
Tank Sub 50081101 ee
Main 30CM3000
3UR-FBE | 4WD 30CM3100 / 50C84100
Sub 50084000 TT
© 2014 Toyota Motor Sales, USA
CP)TOYOTA T-SB-0144-14 November 7, 2014 Page 6 of 7
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Repair Procedure
1. Using Techstream, confirm one of more of the following DTCs is present:
* P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1
* P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2
If any of the above DTCs is present, reprogram the ECM (PCM). Proceed to step 2.
2. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in
Figure 1. Confirm if the ECM (PCM) calibration has been updated.
* Ifthe calibration ID listed is NOT the latest ECM (PCM) calibration — go to step 3.
* Ifthe calibration ID listed is the latest ECM (PCM) calibration — this bulletin does NOT apply.
Continue diagnosis using the applicable Repair Manual.
Figure ¢. Location of Authorized Modifications Label on 2014 — 2015 Sequoia and Tundra
g :
a 2 a
“a e
Let Fh Sh ONS
Wy
2 “3 Ke
= 7 Bf ‘ iL |
a pe i il
aes CO
TOYOTA MOTOR CORPORATION
AUTHORIZED MODIFICATIONS
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
@—t
O—>t
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPAAND CARB
DEALER CODE: DATE:
CHANGE AUTHORITY:
1 | Replacement ECM (PCM} Part Number (1.e., 4 } Date Completed
89661-0CN82)
This SB Number
2 | New Calibration !D(s) jl.e., 30CJ4200)
3 | Dealer Code
© 2014 Toyota Motor Sales, USA
CP) TOYOTA T-SB-0144-14 November 7, 2014 Page 7 of 7
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Repair Procedure (Continued)
3. Flash reprogram the ECM (PCM).
NOTE
* The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain
battery voltage at 13.5 volts while flash reprogramming the vehicle.
* For details on how to use the GR8 Battery Diagnostic Station, refer to the
GR8 Instruction Manual located on the Technical information System (TIS),
Diagnostics - Tools & Equipment — Battery Diagnostics.
Follow the procedures outlined in Service Bulletin No. T-SB-0012-13, “Techstream ECU Flash
Reprogramming Procedure,” and flash the ECM (PCM) with the NEW calibration file update.
4. Install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the jabel:
* ECM 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. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1.
The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
5. Test drive the vehicle to confirm proper vehicle operation.
© 2014 Toyota
Motor Sales, USA
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TSB/Document ID: T-SB-0144-14
Replacement Service Bulletin Number:
MFR Communication Date: 2014-11-07
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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