Causes of transmission control error in BMW automatic transmission
* Faulty speed sensors
* Malfunction of gear control solenoids
* Wear of friction discs or steel plates
* Contaminated or low transmission fluid level
* Electrical problems with wiring or automatic transmission control unit
* Incorrect clutch
Signs of an automatic transmission transmission control error
* Jerks or bumps when shifting gears
* Gearbox slipping
* Inability to shift to a certain gear
* The malfunction indicator on the instrument panel lights up
Consequences of ignoring an automatic transmission transmission control error
Ignoring an automatic transmission transmission control error can lead to:
* Deterioration of transmission performance
* Damage to internal components of the automatic transmission
* Expensive repair or replacement of automatic transmission
Actions to take if an automatic transmission transmission control error occurs
If an automatic transmission transmission control error occurs on a BMW, it is recommended:
* Check the level and condition of the transmission fluid.
* Scan the on-board computer for fault codes.
* Check speed sensors and transmission control solenoids.
* Inspect friction discs and steel plates for wear.
* Check the wiring and automatic transmission control unit for electrical problems.
* Contact an authorized BMW service center for professional diagnostics and repairs.