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fiHow we remanufacture a water damaged Easytronic unit
Sometimes parts enter our remanufacture department that stun even our engineers. The Bosch Easytronic F13/5 was one of these. We will explain why!
Fault description
Recently, we received a remanufacture request for a Bosch Easytronic in a Vauxhall Corsa D, which showed "F" in the display, resulting in the car not being able to start. This type of fault, combined with a transmission or clutch fault, is quite common for this part. We asked the customer to send it in.
Remanufacture of the Easytronic F13/5
After our logistics department took in the parcel and transferred it to our mechatronics department, where our specialists remanufacture parts like throttle bodies and the mechatronics of the Easytronic and Durashift. Often, nothing uncommon is seen on the outside of the unit. The part needs to be tested and opened before the fault can be found. With this particular Easytronic unit, the fault was very clear. After removing the protective sleeve of the electro-motor that drives the clutch actuator, it was clear that water and moisture had affected this Easytronic TCU. The corrosion on the electromotor was obvious. This damage caused the circuit board and the mechanical part of the unit to fail.
Does that mean that this Easytronic unit is destined for scrap? Certainly not! After confirmation of the customer, we could do a special remanufacture. When the unit was remanufactured, the complete circuit board was replaced. The data from the old EPROM and flash memory was salvageable and was transferred to the new circuit board. The mechanical part was replaced as well, as the electromotor turned out to operate fine!
The big question, though, was whether the unit would operate as it did before the water damage. The answer to that question is really short, as it operated exactly as required. After several tests at our mechatronics department, the TCU showed no faults and was ready to be replaced in the gearbox of the Vauxhall Corsa it came from. Happy ending!
Bosch Easytronic repair
Do you have a car with a faulty Easytonic TCU with a fault code P1607, P1609, P1700, P1723, P1728, P1729, P1730, P1735, P1740 or a problem like the one mentioned before? Then we can definitely help! Mind, though, that these faults can also be produced by worn-out contacts on the gear lever. By which we mean the contacts of the different settings (“P”, “N”, “R”, or “D”). Please, check these before creating the remanufacture order!