Technical Service Bulletin T-SB-0079-16 — 2014 TOYOTA TUNDRA
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | T-SB-0079-16 |
| Manufacturer | |
| Vehicle | 2014 TOYOTA TUNDRA |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
TSB: SOME 2014 2016 MODEL YEAR TUNDRA (1UR-FE) VEHICLES MAY EXHIBIT A MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2440 (SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 1), OR P2442 (SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 2), AND UNDER SOME CONDITIONS MAY ENTER LIMP MODE (LIMITED THROTTLE INPUT ~ 25MPH). THIS CONDITION CAN BE TRIGGERED BY SUB-FREEZING AMBIENT TEMPERATURES. FOLLOW THE REPAIR PROCEDURE BELOW TO ADDRESS THIS CONDITION.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2014 TOYOTA TUNDRA
T-SB-0057-18
ELECTRICAL SYSTEM
T-TT-0407-16
STRUCTURE
T-TT-0407-16
EQUIPMENT
T-TT-0404-16
STEERING
F0A_TI_Sequoia_P
POWER TRAIN
SET-TSB-15-012
EQUIPMENT ADAPTIVE/MOBILITY
T-SB-0092-15
ENGINE
F10_PRODUCT UPDA
TIRES:TEMPORARY/EMERGENCY SPARE TIRE
T-SB-0022-15
BACK OVER PREVENTION
T-SB-0022-15
EQUIPMENT:ELECTRICAL