Scania fault code 2640
Code 2640 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Main gearbox, adaptation failed
It was not possible to determine the position of the main gearbox socket on start-up.
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PCS
Position sensor for coupling sleeve L1, deviating value
Position sensors on the coupling sleeve L1 and speed sensors display unreasonable values during speed synchronization.
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