NHTSA ID Number: 11032467
Manufacturer Communication Number: T-SB-0023-26
TSB/Document Date: 2026-05-08
Summary
Some customers may experience a rough running engine with a MIL ON P140018 DTC. Upon further inspection, a loose C90/C27 connector pin at the EGR valve may be found. To correct this concern, please reference the repair section of this TSB.
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TSB/Document ID: T-SB-0023-26
Replacement Service Bulletin Number:
MFR Communication Date: 2026-04-01
MFR Internal Campaign ID/Software Version: T-SB-0023-26
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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T-SB-0023-26
April 1, 2026
MIL ON P140018 - Loose Pin Tension at EGR Connector
Service
Category
Engine/Hybrid
System
Market USA and
Section
Mexico
Engine Control
Applicability
YEAR(S)
MODEL(S)
2021 - 2024
Camry
2021 - 2025
RAV4
ADDITIONAL INFORMATION
Introduction
Some customers may experience a rough running engine with a MIL ON P140018 DTC. Upon
further inspection, a loose C90/C27 connector pin at the EGR valve may be found. To correct this
concern, please reference the repair section of this TSB.
© 2026 Toyota Motor Sales, USA
Page 1 of 10
T-SB-0023-26
April 1, 2026
Page 2 of 10
MIL ON P140018 - Loose Pin Tension at EGR Connector
Warranty Information
For USA Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL2601
0.5
82121-#####*
02
57
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired by searching
for the parts in the Electronic Parts Catalog using the VIN filter.
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.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
For Mexico Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL2601
0.5
82121-#####*
02
57
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired by searching
for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 60,000 kilometers, whichever occurs first, from the vehicle’s in-service date
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2026 Toyota Motor Sales, USA
T-SB-0023-26
April 1, 2026
Page 3 of 10
MIL ON P140018 - Loose Pin Tension at EGR Connector
Parts Information
PART NUMBER
PART NAME
QTY
90980-12495
Housing, Connector F
1
82998-74030
Terminal, Repair W/W
1–4
*Order appropriate number of terminals based on number of loose terminals found.
PART NUMBER
PART NAME
QTY
Wire/Engine
–
82121-06F80
82121-06J60
82121-0680
82121-06L31
82121-0R170
82121-0R171
82121-0R200
82121-0R220
82121-0R221
82121-0R222
82121-0R270
82121-0R271
82121-0R280
82121-0R281
82121-0R282
82121-0R300
82121-0R390
82121-0R391
82121-0R392
82121-0R393
82121-0R520
82121-0R521
Parts Information (continued)
© 2026 Toyota Motor Sales, USA
T-SB-0023-26
April 1, 2026
Page 4 of 10
MIL ON P140018 - Loose Pin Tension at EGR Connector
PART NUMBER
PART NAME
QTY
Wire/Engine
-
82121-0R522
82121-42K30
82121-42K31
82121-42K80
82121-42K81
82121-42L00
82121-42L01
82121-42L01
82121-42N31
82121-42Q20
82121-42Q21
82121-42Q50
82121-42Q51
82121-42T70
82121-42T71
82121-42T72
82121-42U80
82121-42U90
NOTE
The wire harness should NOT be replaced as part of the Repair Procedures.
© 2026 Toyota Motor Sales, USA
T-SB-0023-26
April 1, 2026
Page 5 of 10
MIL ON P140018 - Loose Pin Tension at EGR Connector
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Lance canceling tool No. 2
09991-00530
1
Clipping tool S
09929-00020
1
Electrical tape
N/A
1
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335 or +(525) 5550 10 3000 (Mexico) or by
visiting Home – Service Resources – Toyota Tools and Equipment Program.
*Essential SST.
REQUIRED TOOLS & MATERIAL
QUANTITY
Nippers (For Cutting Wiring)
1
Caliper (For Measuring Core Diameter)
1
Dryer/Heat Gun (For Heating Shrink Sleeve)
1
Wood Plate (For Heat Shielding, 300mm x 100mm x 10mm)
1
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
Techstream Lite
PART NUMBER
QTY
TSADVUNITECP
ADE
Techstream Lite (Green Cable)
TSLP3DLR01
TSLP2DLR01
*Essential SST
NOTE
Only ONE of the Techstream units listed above is required.
Software version 2026.01.003.02 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787 (USA) or +(525) 5550 10 3000 (Mexico) or by visiting TIS – Diagnostics –
Tools & Equipment – Techstream Order Portal.
© 2026 Toyota Motor Sales, USA
1
T-SB-0023-26
April 1, 2026
MIL ON P140018 - Loose Pin Tension at EGR Connector
Repair Procedure
1. Confirm the condition exists.
Does the vehicle engine exhibit rough running with MIL ON P140018 DTC?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Inspect C90/C27 connector at EGR valve and
confirm if there are one or more loose
terminals as seen in Figure 1. (Often terminal
#4 is found to be loose but inspect all four as
more than one terminal may be of concern).
Are there one or more loose terminals?
YES — Continue to the applicable step
according to the
model applicability.
A. For RAV4, continue to step 3.
B. For Camry, continue to step 4.
Figure 1.
NO — This bulletin does NOT
apply. Continue diagnosis using
the applicable Repair Manual.
1
R
2
L
3
V
4
GR
© 2026 Toyota Motor Sales, USA
Page 6 of 10
T-SB-0023-26
April 1, 2026
MIL ON P140018 - Loose Pin Tension at EGR Connector
Repair Procedure
3. Remove the outer connector cover and
replace all affected terminals shown in
Figure 2.
Figure 2.
A. Access the electrical wiring diagram.
B. Refer to TIS, applicable model and model
year Electrical Wiring Diagram as shown in
Figure 3.
Figure 3.
2021 – 2025 RAV4:
EWD – General – Introduction
(1) Input Division/Model/Year and
click search.
(2) Select EWD tab.
(3) Click the first link:
General: INTRODUCTION
© 2026 Toyota Motor Sales, USA
Page 7 of 10
T-SB-0023-26
April 1, 2026
MIL ON P140018 - Loose Pin Tension at EGR Connector
Repair Procedure (continued)
C. Refer to TIS, applicable model and
model year Electrical Wiring Diagram as
shown in Figure 4.
Figure 4.
2021 – 2025 RAV4:
System Circuit –
Engine / Hybrid System –
Engine Control (A25A-FKS) –
EGR Valve Assembly
(1) Click the orange component box in
the bottom right corner (Figure 4).
(2) Click Wire Harness Repair shown in
Figure 5.
Figure 5.
(3) Follow the repair guidelines and
procedures shown in Figure 6.
(4) Continue to step 5.
Figure 6.
© 2026 Toyota Motor Sales, USA
Page 8 of 10
T-SB-0023-26
April 1, 2026
MIL ON P140018 - Loose Pin Tension at EGR Connector
Repair Procedure (continued)
4. Remove the outer connector cover and
replace all affected terminals as shown
in Figure 2.
Figure 7.
A. Access the electrical
wiring diagram.
B. Refer to TIS, applicable model and
model year Electrical Wiring Diagram
as shown in Figure 7.
2021 – 2024 Camry:
EWD – General – Introduction
Figure 8.
(1) Input Division/Model/Year and
click search.
(2) Select EWD tab.
Click the first link:
General: INTRODUCTION
C. Refer to TIS, applicable model and
model year Electrical Wiring Diagram
as shown in Figure 8.
Figure 9.
2021 – 2024 Camry:
System Circuit –
Engine / Hybrid System –
Engine Control (A25A-FKS) –
EGR Valve Assembly
(5) Click the orange component
box in the bottom right corner
(Figure 9).
(6) Click Wire Harness Repair as
shown in Figure 10.
Figure 10.
Follow the repair guidelines and
procedures as shown in Figure 10.
© 2026 Toyota Motor Sales, USA
Page 9 of 10
T-SB-0023-26
April 1, 2026
Page 10 of 10
MIL ON P140018 - Loose Pin Tension at EGR Connector
Repair Procedure (continued)
5. Do not reinstall outer connector cover.
6. Using electrical tape, wrap the end of wire
loom to secure it (see photo).
Figure 11. Wire Wrapped in Electrical Tape
7. Reconnect the connector to EGR valve.
8. Using GTS+, clear ANY DTCs and test-drive the vehicle to confirm the condition is no
longer present.
© 2026 Toyota Motor Sales, USA
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