NHTSA ID Number: 10109359
Manufacturer Communication Number: T-SB-0143-14
TSB/Document Date: 2017-08-01
Summary
TSB: Some 2012 - 2013 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.
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
- 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...
- Advanced protection against the four main causes of engine...
- Delivers 40% stronger wear protection than industry...
- Provides 15% better deposit defense vs. industry standards...
- Up to 2.5X better heat protection vs. industry standards to...
- Engineered for excellent low-temperature flow, reducing...
This product presentation was made with AAWP plugin.
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: T-SB-0143-14
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
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
T-SB-0143-14
November 7, 2014
Secondary Air Injection System - MIL "ON" DTC P2440
and/or P2442
Service
Category
Engine/Hybrid
System
Section
Emission Control
Market
USA
Applicability
YEAR(S)
MODEL(S)
2012 – 2013
Sequoia
2012 – 2013
Tundra
ADDITIONAL INFORMATION
Introduction
Some 2012 – 2013 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. Use the following procedure to reprogram the ECM (PCM).
© 2014 Toyota Motor Sales, USA
Page 1 of 8
November 7, 2014
T-SB-0143-14
Page 2 of 8
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Warranty Information
OP CODE
EG1406
DESCRIPTION
TIME
OFP
T1
T2
0.4
89661-0CM20
89661-0CM21
89661-0CM22
89661-0CM23
89661-0CM30
89661-0CM31
89661-0CM32
89661-0CM33
89661-0CM60
89661-0CM61
89661-0CM62
89661-0CM63
89661-0CM64
89661-0CM70
89661-0CM71
89661-0CM72
89661-0CM73
89661-0CM74
89661-0CM80
89661-0CM81
89661-0CM82
89661-0CM83
89661-0CM90
89661-0CM91
89661-0CM92
89661-0CM93
89661-0CN20
89661-0CN21
89661-0CN22
89661-0CN23
89661-0CN24
89661-0CN30
89661-0CN31
89661-0CN32
89661-0CN33
89661-0CN34
8A
99
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.
© 2014 Toyota Motor Sales, USA
November 7, 2014
T-SB-0143-14
Page 3 of 8
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Required Tools & Equipment
REQUIRED EQUIPMENT
Techstream 2.0*
Techstream Lite
SUPPLIER
PART NUMBER
QTY
TS2UNIT
ADE
1
TSLITEPDLR01
NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 9.30.029 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
• The Diagnostic Tester is NOT recommended for flash reprogramming.
Please 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
GR8 Battery Diagnostic Station*
00002-MCGR8
1
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
* Essential SST.
© 2014 Toyota Motor Sales, USA
November 7, 2014
T-SB-0143-14
Page 4 of 8
Secondary Air Injection System - MIL "ON" DTC P2440 and/or P2442
Parts Information
SEQUOIA
PART NUMBER
MODEL YEAR
ENGINE
TRANS
NEW
–
89661-0CM90
89661-0CM91
89661-0CM92
89661-0CM93
89661-0CM94
–
89661-0CM80
89661-0CM81
89661-0CM82
89661-0CM83
89661-0CM84
–
–
89661-0CN20
89661-0CN21
89661-0CN22
89661-0CN23
89661-0CN24
89661-0CN25
89661-0CN30
89661-0CN31
89661-0CN32
89661-0CN33
89661-0CN34
89661-0CN35
4WD
2WD
4WD
2012 – 2013
3UR-FBE
QTY
PREVIOUS
2WD
3UR-FE
PART NAME
OPTION
4WD
Computer,
Engine Control
(ECM/PCM)
–
–
TUNDRA
PART NUMBER
MODEL YEAR
ENGINE
TRANS
NEW
–
89661-0CM20
89661-0CM21
89661-0CM22
89661-0CM23
89661-0CM24
–
89661-0CM30
89661-0CM31
89661-0CM32
89661-0CM33
89661-0CM34
–
–
89661-0CM60
89661-0CM61
89661-0CM62
89661-0CM63
89661-0CM64
89661-0CM65
89661-0CM70
89661-0CM71
89661-0CM72
- 🔥🔥🔥2026 New Functions Making X7HD the Top Dog - Big Surprise!!! ANCEL X7HD truck scanner 10 major functional advantages .✅>Full HDOBD/OBD2 Function ✅>ALL System Diagnostic ✅>42+ Reset Function ✅>Active Test / Bi-Directional Control✅>ECU Coding✅>Graphing Live Data✅>Wide Compatibility ✅>2 Yrs Free Update✅>Remote Operation✅>Bluetooth 5.0 & Wifi In addition, 8 major hardware advantages: ✅>6000 mAh✅>10.1 inch Tablet✅>2G RAM
✅>32G ROM (Expandable to 128GB)✅>Data Record & Replay & Print✅>Android 10.0✅>Bluetooth 5.0 & Wifi✅>14 Languages - 🚛OEM DPF Forced Regen & Cylinder Cutout Test & more - ANCEL X7HD diesel scanner diagnostic tool not only supports DPF regeneration, DPF reset, DPF related information reset, DPR state reset, DPD forced regeneration etc, which helps you better solve the exhaust aftertreatment system problems, but also supports activate motor to do exhaust air in ABS Automatically. Moreover, it features TPMS activation, cylinder cut-off and learning functions
- 🚛Advanced ECU Coding & Programming - ANCEL X7HD 10.1inch truck scanner diagnostic tool is equipped with advanced ECU coding, supports Level calibration, Idle speed learning and Adjustment, Camshaft timing control learning, Control unit adaptations, Injector Codes, Read/Write VIN, Road speed limit optional vehicle speed set, etc... PLEASE NOTE that ECU codes are not compatible with all vehicles, please send us your VIN# to check vehicle compatibility
- 🚛42+ Reset Functions & Bidirectional Control - 2026 newest top heavy duty truck scan tool, comes with 42+ special services (ECU, Speed Limit and Idle Reset, Oil Reset, Injector Coding, EPB, ABS, SRS, Suspension, Throttle, etc. and always keep growing), which meet all your various needs for service and maintenance
- 🚛10 Inch All Systems Diesel Scanner & Full HDOBD/OBD2 Modes - ANCEL X7HD diesel truck scan tool supports all systems scan, such as Engine, Brake, Retarder, TECU Transmission, Tachograph, ABS, SRS, TPMS, EPB, SAS, ESP, and other vehicle systems, comes with 10 obd2 service modes: read/erase error codes, Data Stream, I/M Readiness, Vehicle Information, Actuations, DTC Lookup, EVAP, view freeze frame, etc
- 【Stop Paying Dealership Prices】 LAUNCH CRP129HD heavy duty truck scanner puts dealer-level diagnostic power in your hands. It’s built for 50+ commercial vehicles—including semi trucks, buses, farm tractors, and construction equipment. Master critical jobs like DPF regeneration and speed limit adjustment with 7 essential special functions. Perform full-system diagnostics across engine, ABS, transmission, and more—go beyond surface codes to find the true root cause. Plus enjoy live data graphing and easy email reporting. Backed by 2-year updates and 24/7 support, it’s the reliability you need, right in your own shop.
- 【Save $400 on Every DPF Regen—Done in Minutes】 This semi truck scanner puts 7 essential services at your fingertips: DPF Regen clears carbon buildup —save $400; Oil Reset clears service lights —no waiting; Injector Coding matches new injectors; DEF System Test checks urea injection; Speed Limit Adjust saves fuel; Cylinder Cutout pinpoints misfires; Clutch Relearn restores smooth engagement. Skip dealer delays—keep these jobs in-house. You control the schedule, slash diagnostic time, and turn your shop into a profit center by keeping high-margin jobs in-house. Vehicle coverage may vary; reach out anytime at 📫 nexas_support @ 16 3. com to check compatibility.
- 【One Tool. 50+ Brands. Infinite Potential】 Why sink thousands into a drawer full of single-brand scanners? This truck scanner diagnostic tool is your one strategic investment for universal coverage. With multi-protocol support (J1939, J1708, J1587, OBD2/CAN), it confidently diagnoses industry leaders like Cummins, Cat, Detroit, Paccar, Volvo, Mack, Freightliner, Kenworth, Peterbilt, International, Western Star, Isuzu, Hino, Fuso, UD, MAN, Scania, DAF, Iveco, and Mercedes-Benz. Plus full support for Allison, Aisin, Eaton, ZF, WABCO, and Bendix. It doesn’t just service your fleet; it expands the jobs you can take—and the work you can do.
- 【Lightning-Fast Hardware. No-Fuss Operation】 Time is money—stop wasting both. Ditch the diagnostic grind and get answers in seconds. It pairs powerful hardware (1.3G CPU, 2GB RAM, 16GB storage, Android 8.1) —no lag, no waiting—with intelligent software for for instant response. The 3000mAh rechargeable battery lets you use it handheld or review data off-vehicle; also works plugged in. One-touch Auto VIN eliminates manual entry; one-click Wi-Fi updates keep firmware, APP, and vehicle software current without downtime; screenshots capture proof instantly. Replay live data and generate professional reports to build ironclad cases for your repairs.
- 【Stuck on a Tough Case? Get Expert Help Remotely】 When you need backup —and you're never alone—CRP129HD has you covered: built-in TeamViewer and Tech 2 Tech remote assistance let you invite expert technicians to connect remotely and help you solve problems. Use Diagnostic Feedback to report issues directly; our support-team tracks and resolves them fast. Generate professional reports, record and replay live data, and capture screenshots as proof. No more guesswork—just answers. Fix it once, fix it right—with backup when you need it.
- Diagnose Heavy-Duty Truck Problems Fast — Read and clear fault codes and diagnose warning light issues on many Class 4–8 diesel trucks including Freightliner, Peterbilt, Kenworth, Volvo, Mack and Cummins-powered vehicles
- Help Reduce Downtime & Repair Costs — It offers full system diagnostics for major trucks meeting standard protocols, along with complete OBD2 functionality. Quickly check engine faults, view live truck data and identify issues before expensive repair shop visits or unnecessary repairs
- No complicated setup required — Simple menus and built-in DTC explanations make this truck code reader easy to use for owner-operators, mobile mechanics and small fleet maintenance
- Live Data & Built-in DTC Lookup — View real-time engine data and built-in truck fault code definitions directly on the scanner to help understand vehicle problems faster without searching through manuals
- Free Lifetime Updates & Technical Support — Includes free software updates plus responsive technical support for setup, compatibility and everyday truck diagnostics
This product presentation was made with AAWP plugin.
Last update on 2026-05-29 / Affiliate links / Images from Amazon Product Advertising API