A transmission control module replacement, on the other hand, is less labor-intensive. Depending on the vehicle, it may only require one hour of labor.

General Motors announced today that it will recall more than 38,000 Buick and Chevrolet sedans fitted with its eAssist mild-hybrid system, to check for a possibly defective electronic component ...

Authorized GM dealers will reprogram the transmission control module, free of charge. In the meantime, Cadillac owners may call 1-866-982-2339. Buick owners may call 1-866-694-6546.

General Motors is recalling the 2016 Buick Cascada over an issue that could cause the vehicles to not comply to Federal Motor Vehicle Safety Standards.

2013 Buick LaCrosse, 2013CadillacSRX The Problem: The software in the automatic transmission may accidentally slip from normal automatic to manual-shift mode.

GM discovered that a faulty control valve in the automatic transmission of the at-risk trucks and SUV s can cause their rear wheels to lock up without warning, which could make for some ...

Q: My 2002 Buick LeSabre has 98,887 miles on it. Its ignition control module is failing. Since 2014 I have replaced it three times. Can you please tell why my control module keeps failing?