Harsh Transmission Engagemnet After Engine Auto Stop on Honda Civic Hybrid

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 99,285 (60,000–168,000)
Drive Trains affected: Automatic Transmission, Manual Transmission
4 model years affected: 2004, 2006, 2007, 2008
13 people reported this problem
Viewing 1 - 6 of 6 comments
Transmission makes a huge rumble sound when I go from auto stop. It is worse when driving uphill. Have not yet been able to fix.
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.
The car has rough take off.
After auto stop hard take off
take off is harsh when starting from autostop situation.