Buick Regal owners have reported 2 problems related to automatic transmission control module (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Regal based on all problems reported for the Regal.
Codes present in computer are p1101 air intake performance, p0101 mass air flow circuit a failure. The car has reduced power and surging during acceleration. Stumbling at start up. The vehicle's turbo wastegate fails to close before 3,500 rpm therefore causing a severe spool time on turbocharger the manufacture is unable to repair as per the 4 months the car has been being diagnosed and finally the service manager has admitted they are unable to repair the vehicle. Corporate gm in involved along with field technicians. Since the vehicle has been returned to me still failing now has active codes for u0100 lost communication with ecm, u0140 lost communication with body control module, u0128 lost communication with parking brake module, u0073 communication bus a off, u0101 lost communication with transmission control module since the can-bus is failing the car is now trying to stall intermittently while driving any speed.
See
all problems of the 2013 Buick Regal
🔎.
The contact owns a 2011 Buick Regal. While the vehicle was idling at a red light, it failed to accelerate without warning. The contact had to push the vehicle off the road. The vehicle was towed to the dealer where it was diagnosed that the transmission control module failed and needed replacement. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 30,000.
See
all problems of the 2011 Buick Regal
🔎.