Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2005ACCORD L4-2.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTA/T CONTROLS - MIL ON/DTC P0973 SET
2005 Honda Accord L4-2.4L
A/T Controls - MIL ON/DTC P0973 Set
2005 Honda Accord L4-2.4LSECTION A/T Controls - MIL ON/DTC P0973 Set
05-071
December 16, 2005
Applies To:
See VEHICLES AFFECTED
MIL Comes On With DTC P0973
SYMPTOM
The MIL is on with DTC P0973 (short in shift solenoid valve A circuit).
PROBABLE CAUSE
Ferrous contamination on the contact area of the solenoid causes a short.

VEHICLES AFFECTED
CORRECTIVE ACTION
Replace shift solenoid A.

PARTS INFORMATION
WARRANTY CLAIM INFORMATION
In warranty: The normal warranty applies.
Operation Number: 2321D7
Flat Rate Time: 1.1 hours
Failed Part: P/N 28400-PRP-004
H/C 6734792
Defect Code: 08103
Symptom Code: 03203
Template ID: 05-071A
Skill Level: Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.
REPAIR PROCEDURE

1. Replace shift solenoid A (blue wire in harness).
^ Refer to page 14-193 of the 2005-06 CR-V Service Manual, page 14-194 of the 2003-06 Accord Service Manual, or
^ Online, enter keyword Shift Solenoid Valve Replacement. For CR-V, select Shift Solenoid Valve Replacement (A/T). For Accord, select Shift Solenoid Valve Replacement (L4 Engine, A/T) from the list.

NOTE:
Replace the solenoid cover gasket and the ATF cooler pipe sealing washers during installation.
2. Clear the DTC with the HDS, then test-drive the vehicle to ensure that the DTC does not recur.
3. Inspect for any automatic transmission fluid leaks related to the repair.

Disclaimer
December 16, 2005
Applies To:
See VEHICLES AFFECTED
MIL Comes On With DTC P0973
SYMPTOM
The MIL is on with DTC P0973 (short in shift solenoid valve A circuit).
PROBABLE CAUSE
Ferrous contamination on the contact area of the solenoid causes a short.
VEHICLES AFFECTED
CORRECTIVE ACTION
Replace shift solenoid A.
PARTS INFORMATION
WARRANTY CLAIM INFORMATION
In warranty: The normal warranty applies.
Operation Number: 2321D7
Flat Rate Time: 1.1 hours
Failed Part: P/N 28400-PRP-004
H/C 6734792
Defect Code: 08103
Symptom Code: 03203
Template ID: 05-071A
Skill Level: Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.
REPAIR PROCEDURE
1. Replace shift solenoid A (blue wire in harness).
^ Refer to page 14-193 of the 2005-06 CR-V Service Manual, page 14-194 of the 2003-06 Accord Service Manual, or
^ Online, enter keyword Shift Solenoid Valve Replacement. For CR-V, select Shift Solenoid Valve Replacement (A/T). For Accord, select Shift Solenoid Valve Replacement (L4 Engine, A/T) from the list.
NOTE:
Replace the solenoid cover gasket and the ATF cooler pipe sealing washers during installation.
2. Clear the DTC with the HDS, then test-drive the vehicle to ensure that the DTC does not recur.
3. Inspect for any automatic transmission fluid leaks related to the repair.
Disclaimer
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.