2006 Honda Accord CODE P2422

Service Bulletin
 2004 American Honda Motor Co, Inc. – All Rights Reserved ATB 25273-26875 (0403) 1 of 4
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers, ” and you should not assume
this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an
authorized Honda automobile dealer.
March 5, 2004
03-040
Applies To: See VEHICLES AFFECTED
Product Update: EVAP Canister Drain Joint
(Supersedes 03-040, dated July 31, 2003)
BACKGROUND
In wet conditions, moisture can enter the EVAP
canister at its drain joint. This can cause the MIL to
come on with DTC P0497 (EVAP system low purge
flow) or DTC P2422 (EVAP system vent shut valve
close malfunction).
VEHICLES AFFECTED
2003 Accord L4 2-Door:
From VIN 1HGCM7.3A000001
thru 1HGCM7.3A011453
2003 Accord L4 4-Door:
From VIN 1HGCM5.3A000001
thru 1HGCM5.3A048521
From VIN 3HGCM5.3G700001
thru 3HGCM5.3G703004
Not all vehicles within the VIN ranges are affected by
this product update. Before beginning work on a
vehicle, verify its eligibility by checking at least one of
these items:
• The customer has a notification letter.
• The vehicle is shown on your campaign
responsibility report.
• The vehicle is shown as eligible on an I N VIN status
inquiry.
In addition to the bulleted verification items, check for a
punch mark above the third character of the engine
compartment VIN. A punch mark in that location means
this campaign has already been done.
CUSTOMER NOTIFICATION
All owners of affected vehicles will be sent a notification
of this product update. The customer notification may
also contain information on other product updates. An
example of the customer notification for the EVAP
canister product update is
at the end of this service bulletin.
CORRECTIVE ACTION
If the MIL is off, replace the EVAP canister drain joint,
and install a foam gasket around it.
If the MIL is on, retrieve the DTC(s), then replace the
EVAP canister, the EVAP canister vent shut valve, and
the EVAP canister drain joint, and install a foam gasket
around the drain joint.
PARTS INFORMATION
EVAP Drain Joint and Foam Gasket:
P/N 17742-SDA-A02, H/C 7522659
WARRANTY CLAIM INFORMATION
Failed Part: P/N 17742-SDA-A02
H/C 7522659
Defect Code: 5CD
Symptom Code: P00
Skill Level: Repair Technician
OP# Description FRT
120127 Replace the EVAP canister drain joint,
and center-punch the VIN
0.4
120128 Retrieve the DTC(s), replace the EVAP
canister drain joint, the EVAP canister,
and the CVS valve, and center-punch
the VIN
0.8

Service Bulletin
 2004 American Honda Motor Co, Inc. – All Rights Reserved ATB 25354-28460 (0411) 1 of 3
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers, ” and you should not assume
this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an
authorized Honda automobile dealer.
November 9, 2004
03-043
Applies To: See VEHICLES AFFECTED
Product Update: Intake Air Breather Pipe
(Supersedes 03-043, dated March 5, 2004)
BACKGROUND
The hose on the intake air breather pipe can cause the
pipe to separate from the airflow chamber during heavy
throttle applications. If this happens on a SULEV
model, it causes the MIL to come on with DTC P0171
(fuel supply system too lean).
VEHICLES AFFECTED
2003 Accord L4 2-Door:
From VIN 1HGCM7.3A000001
thru 1HGCM7.3A027598
2003 Accord L4 4-Door:
From VIN 1HGCM5.3A000001
thru 1HGCM5.3A104122
From VIN 3HGCM5.3G700001
thru 3HGCM5.3G708649
From VIN JHMCM5.3C000001
thru JHMCM5.3C080617
Not all vehicles within the VIN ranges are affected by
this product update. Before beginning work on a
vehicle, verify its eligibility by checking at least one of
these items:
• The customer has a notification letter.
• The vehicle is shown on your campaign
responsibility report.
• The vehicle is shown as eligible on an I N VIN status
inquiry.
In addition to the bulleted verification items, check for a
punch mark above the seventh character of the engine
compartment VIN. A punch mark in that location means
this campaign has already been done.
If any affected vehicles are in your new or used vehicle
inventory, repair them as described in this service
bulletin.
CUSTOMER NOTIFICATION
All owners of affected vehicles will be sent a
notification of this product update. The customer
notification may also contain information on other
product updates. An example of the customer
notification for this intake air breather pipe product
update is at the end of this service bulletin.
CORRECTIVE ACTION
Replace the intake air breather pipe and hose. (The
hose length has been increased 10 mm, and there is a
barb on the end of the air breather pipe to help retain
the hose.)
TOOL INFORMATION
You need two hose-pinching pliers to complete this
repair. If you do not have these tools, you can order
them from the Honda Tool and Equipment Program by
calling 888-424-6857. Ask for T/N YA965.
PARTS INFORMATION
Intake Air Breather Pipe Kit (contains the breather pipe
and hose):
P/N 06171-RAA-305, H/C 7534928
WARRANTY CLAIM INFORMATION
Operation Number: 122125
Flat Rate Time: 0.2 hour
Failed Part: P/N 17137-RAA-A00
H/C 7244767
Defect Code: 5CB
Symptom Code: P01
Template ID: 03-043A
Skill Level: Repair Technician

DTC P2422: Evaporative Emission (EVAP) Canister Vent Shut Valve Closed
Malfunction (Except SULEV model)
P2422-0371
P1454-0371
Advanced Diagnostics
Purge Cut
Purge
Fixed Time elapsed
Malfunction Detection
FTP Sensor Output and Purge Flow while Purging
Purge Flow
Purge Condition
Excessive Negative Pressure Judgment Value
FTP Sensor Output
Negative
Pressure Side
Start the engine
FTP Sensor Output with Failure
(EVAP Canister Vent Shut Valve closed)
FTP Sensor Output at EVAP Canister
Vent Shut Valve Normal Operation
Range where ECM/PCM detects possibility of
"FTP Sensor ZERO point shifted failure"
Malfunction Threshold
Atmospheric
Pressure
[= 0 kPa
(0 mmHg,
0 in. Hg)]
Possible
EVAP Canister Vent Fail
Shut Valve failure?
FTP Sensor: Pass
Pass
FTP Sensor: Fail
EVAP Canister Vent Shut Valve: Pass
Pass
EVAP Canister Vent Shut Valve: Fail
FTP Sensor: Pass
FTP Sensor
ZERO point
shifted failure?
Malfunction Judgment Flowchart of FTP Sensor and EVAP Canister Vent Shut Valve

If you want, I can send you pdf copy of the bulletin so it is easier to read. Let me know.

If left for long period of time (roughly more than 6 months), it will cause problem. In the mean time, you may notice slight decrease in performance or occasional erratic idle or jerks, but thing for sure, you will not pass emission/smog inspection. So, if your license plate is due any time soon, you need to fix the problem beforehand.

Let us know what happens.

Even though your vehicle is out of warranty, if you purchased the vehicle new, I would call Honda customer service hotline and find out if your vehicle is a part of the recall.

If you purchased it used, you have a choice to either go the dealership or local garage. But if I were you, I would bite the bullet and go back to the dealership to make sure that it is done right. This is not something that your local garage does on a regular basis.