T-SB-0033-17_Rev

T-SB-0333-17
Rev1
December 12, 2017
Secondary Air Injection System - MIL "ON" DTC P2440,
P2442, and/or P2445 (1GR-FE)
Service
Category
Engine/Hybrid System
Section
Emission Control
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2012
Tacoma
WMI(s): 3TM, 5TF
Body Type(s): Access Cab, Extra Cab
Transmission(s): 5AT, 6MT
REVISION NOTICE
May 11, 2018 Rev1:
 The entire bulletin has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2012 model year Tacoma vehicles equipped with the 1GR-FE engine 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)

P2445 (Secondary Air Injection System Pump Stuck Off)
This condition may be caused by air injection pump filter damage. Follow the Repair Procedure in
this bulletin to address this condition.
© 2018 Toyota Motor Sales, USA
Page 1 of 4
T-SB-0333-17
Rev1
December 12, 2017
Page 2 of 4
Secondary Air Injection System - MIL "ON" DTC P2440, P2442, and/or P2445
(1GR-FE)
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1709
R & R Air Pump Assembly,
Emission Control Valve Set, and Gaskets,
Install Air Pump Cover
0.6
17600-0P040
8A
99
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.
 For California specification 2012 model year vehicles sold, registered, and operated in Arizona,
California, Connecticut, Maine, Maryland, Massachusetts, New Jersey, Oregon, Pennsylvania,
Rhode Island, Washington, and Vermont, this repair may be covered depending on vehicle
model year, under the California Emission Warranty, which is in effect for 84 months or
70,000 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.
Parts Information
PART NUMBER
PART NAME
QTY
25710-31022
Valve Assy, Air Switching
1
17613-0P010
Cover, Air Pump
1
17610-0W020
Pump Assy, Air
1
17376-50010
Gasket, Air Tube
2
17377-31010
Gasket, Air Tube, No. 2
1
PREVIOUS
NEW
25710-31021
N/A
NOTE
 If evidence of air injection pump filter damage is present in the air injection pump and/or the air
switching valves, it is imperative to replace the air pump and the air switching valves.
 ALL parts listed in this bulletin MUST be replaced to ensure the condition is properly addressed.
Failure to replace ALL parts may result in comeback repairs.
© 2018 Toyota Motor Sales, USA
T-SB-0333-17
Rev1
December 12, 2017
Page 3 of 4
Secondary Air Injection System - MIL "ON" DTC P2440, P2442, and/or P2445
(1GR-FE)
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
Techstream Lite
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
TSLP2DLR01
* Essential SST.
NOTE
 ONLY ONE of the Techstream units listed above is required.
 Software version 13.00.022 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Using Techstream, perform a Health Check.
Are ANY of the following DTCs present?

P2440 (Secondary Air Injection System Switching Valve Stuck Open Bank 1)

P2442 (Secondary Air Injection System Switching Valve Stuck Open Bank 2)

P2445 (Secondary Air Injection System Pump Stuck Off)

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Replace the following air injection system components to ensure reliability:
 Air pump
 Air pump cover
 Air switching valve
 Air switching valve gaskets
A. Refer to TIS, applicable model and model year Repair Manual:

2012 Tacoma:
Engine/Hybrid System – Engine Control – “1GR-FE Emission Control:
Air Pump (w/ Secondary Air Injection System: Removal / Installation”

2012 Tacoma:
Engine/Hybrid System – Engine Control – “1GR-FE Emission Control:
Air Switching Valve (w/ Secondary Air Injection System): Removal / Installation”
© 2018 Toyota Motor Sales, USA
1
T-SB-0333-17
Rev1
December 12, 2017
Page 4 of 4
Secondary Air Injection System - MIL "ON" DTC P2440, P2442, and/or P2445
(1GR-FE)
Repair Procedure (continued)
B. Install the air pump cover.
Figure 1.
NOTICE
Air pump cover installation will reduce
the possibility of filter damage.
(1) Place the air pump cover over the
air pump, making sure to follow the
contours of the air pump.
(2) Apply downward pressure until a
click is heard.
(3) Confirm the air pump cover is
fully seated.
3. Clear the DTCs and test drive the vehicle to confirm the condition is addressed.
© 2018 Toyota Motor Sales, USA