Automatic Transmission Control Module problems of the 1999 Oldsmobile Alero

Three problems related to automatic transmission control module have been reported for the 1999 Oldsmobile Alero. The most recently reported issues are listed below.

1 Automatic Transmission Control Module problem

Failure Date: 03/25/2003

1999 olds Alero 3. 4l; stopped at traffic light, at idle in drive, speedometer pegged to 140mph, and held for ~10 sec. Upon chaning of the light, I tried to accelerate, and throttle was not available, similar to what occurs when the speed limiter is exceeded. The condition occured for an additional 10 seconds, then returned to normal speed reporting and engine operation. No ses light not traction control alret were witnessed during the event. Subsequent reading of the ecm trouble codes shows no 'snapshot' data of an impending fault.

2 Automatic Transmission Control Module problem

Failure Date: 07/06/2001

Abs senor light and the tracking light have came on simultaneously on three separate occasions, and causing vehicle to be without brakes. Vehicle been into dealer shop on five occasions, and problem still reoccurring. Consumer stated there was a crunching noise from brakes brake booster was relaced, consumer also stated that power steering was noisey.

3 Automatic Transmission Control Module problem

Failure Date: 03/20/2001

Consumer states traction control light comes on frequently.




Fuel Economy of Alero Vehicles
Alero Service Bulletins
Alero Safety Recalls
Alero Defect Investigations