Possible causes of the “Automatic transmission faulty” error in Ford Focus 2:
* Problems with the mechanical part of the gearbox: wear of clutches, gears or other components.
* Torque converter problems: broken or worn internal components.
* Electronic control unit (ECU) malfunction: software errors or component damage.
* Faulty solenoids: failure to shift gears properly.
*Low or contaminated transmission fluid: affects transmission lubrication and cooling.
* Sensor problems: Faulty sensors may provide incorrect information to the ECU.
* Incorrect wiring connection: damaged or broken wires affecting the operation of the transmission.
Possible actions:
* Read Trouble Codes: Use an OBD-II scanner to read and interpret trouble codes related to automatic transmissions.
*Check the transmission fluid level and condition: make sure the fluid is at the correct level and is not contaminated.
* Check Solenoids: Diagnose the solenoids to determine whether they are faulty or not.
* Check the ECU: Visually inspect the ECU for damage and disconnect and reconnect the electrical connectors.
* Check the wiring: Inspect the wires leading to and from the automatic transmission for damage or breaks.
*Consult a qualified mechanic: More complex problems may require professional diagnosis and repair.
Important:
*Do not ignore the “Automatic Transmission Faulty” error message as this may cause further damage to the transmission.
* Avoid driving a vehicle with this error if possible.
*Consult an experienced mechanic as soon as possible to diagnose and repair the problem.