1.8

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
91,381 miles

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problem #1

Jun 012011

Civic Hybrid 4-cyl

  • 78,000 miles
After my 2006 Honda Civic hybrid received an integrated motor assist (ima) software upgrade in 2010, if the car is parked for one day (such as a Sunday, if I do not drive the car) the ima battery will drain within one half mile of leaving my home the next day, on a level roadway, even if the ventilation system and radio are off to reduce electrical load. Fuel economy also dropped about 10 mpg after the software upgrade. Without ima, the car has slow freeway acceleration, especially when traveling uphill. The Honda dealer says they cannot do anything because the ima system light does not illuminate (obd does not show a fault) although the dealer can reproduce the problem after keeping the car overnight. How do you know the ima software upgrade does not prevent the ima light from illuminating when there is an ima battery fault, therefore not requiring Honda to replace the ima batteries under warranty?

- El Cajon, CA, USA

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