10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
0 miles
Total Complaints:
1 complaints

Most common solutions:

  1. reset transmission control module (TCM) (1 reports)
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This problem may be covered under warranty. Ask your Chevrolet dealer.

problem #1

Apr 252007

(reported on)

Epica

  • Automatic transmission
  • 0 miles

at around 8k kilometers the car developed a real lag in acceleration in the top gears, and hard shifting on the bottom end. Gm was at a total loss to explain and had to search north america for a new module, they had to have one built it took 6 weeks before i got the car back. At 18k Kms it started again. Gm came up with the solution of disconnecting the battery to let the capacitors drain from the TCM (transmission control module) erasing all the codes and starting fresh. They explained that the Epica has some sort of intuitive shifting built in to the module whereby it "learns" the driving style and adapts. the problem is that there are two people who drive the car. Me and my wife. GM's explanation is total BS we drive virtually identically and besides who builds a car that will only work properly if driven by one person only? They say that the problem will happen again but they will stand behind the warranty. Piece of crap. If they could get that sorted out they'd have a great car on their hands, leather, sunroof, stereo mp3 etc but what good is it when it spends so much time in the shop?

- Ken M., Dunca, BC, Canada