Engine, A/T Controls - A/T Int Won't Shift Into 4th Gear
05-062October 11, 2011
Applies To:
2005 Accord Hybrid - From VIN JHMCN3...5C000001 thru JHMCN3...5C018601
Transmission Intermittently Does Not Upshift to 4th Gear
(Supersedes 05-062, dated July 15, 2011, to revise the information marked by asterisks.
*REVISION SUMMARY
Under WARRANTY CLAIM INFORMATION, the flat rate time was changed.*
SYMPTOM
The transmission intermittently does not upshift to 4th gear, causing the engine rpm to stay high while driving at highway speeds.
PROBABLE CAUSE
The PCM incorrectly interprets the second clutch pressure switch signal and does not allow 4th gear engagement.
CORRECTIVE ACTION
Update the PGM-FI software.
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Operation Number: 125517
*Flat Rate Time: 0.3 hour*
Failed Part: P/N 37820-RCJ-A55
Defect Code: 03214
Symptom Code: 09112
Skill Level: Repair Technician
SOFTWARE INFORMATION
HDS CD: September 30, 2005
(or later)
HDS Version: 2.001.012
(or later)
PGM-FI Program ID: CJA560
(or later)
PGM-FI Program Part No.: 37806-RCJ-A56
(or later)
REPAIR PROCEDURE
Update the PGM-FI software. Refer to Service Bulletin 01-023, Updating Control Units/Modules
NOTE:
^ Before you update the PCM, make sure the vehicle's battery is fully charged.
^ To prevent PCM damage, do not operate anything electrical (audio system, brakes, A/C, power windows, etc.) during the update.
^ During the update process, the HDS screen may turn off. This does not mean the update is complete. Tap the screen and the display will come on showing the current condition of the update. Do not disconnect the HDS until the update is complete.
1. If not already done, load the September 2005 or later software update onto the HDS.
2. Connect the HDS to the DLC, and use the HDS to read, then clear the DTCs.
3. Use the HDS to update the PCM. For updating instructions, refer to service bulletin 01-023, Updating Control Units/Modules. Verify that the PGM-FI Program ID being used to update the PCM is the same or later than the Program ID listed in SOFTWARE INFORMATION.
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