Harsh Transmission Engagemnet After Engine Auto Stop on Honda Civic Hybrid

A harsh engagement of the automatic transmission may be noted after the engine auto stops. A software update for the powertrain control module (PCM) / constantly variable transmission (CVT) is available which may correct this issue.

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Average mileage: 102,000 (60,000–168,000)
Drive Trains affected: Automatic Transmission, Manual Transmission
3 model years affected: 2004, 2007, 2008
10 people reported this problem
5 people shared problem details
2004 Honda Civic Hybrid- Automatic Transmission
2004 Honda Civic Hybrid- Manual Transmission60,000
Now at 106 K and having a/c compressor issues and strong transmission noises. I hadn't linked the latter to the auto stop, but I've had problems with lack of engagement, unpredictable engagement, stalling, etc. with auto stop for years (since car was young) with no appropriate response from Honda (at 2 dealer service centers). They could not recreate the issue, but after many attempts, a tech. found a bad sensor, but it was never repaired. I find this very dangerous, as there are times when I cannot get the engine to reengage and I have no power. Dealer stated that I didn't use the auto stop properly and implied I didn't understand how it worked. I'm surprised there haven't been serious injuries from this.
2004 Honda Civic Hybrid- Automatic Transmission70,000
The car has rough take off.
2004 Honda Civic Hybrid- Automatic Transmission
After auto stop hard take off
2007 Honda Civic Hybrid- Automatic Transmission120,000
take off is harsh when starting from autostop situation.
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The brake pedal may feel hard after a cold start at higher altitudes. Our technicians tell us replacing the power brake booster and updating the computer software should correct this concern.

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