Scania fault code 2590
Code 2590 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
First and third gear coupling sleeve
The first and third gear coupling sleeve does not move from first gear position to its neutral position even though the third gear solenoid valve is activated.
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BMU Battery Management Unit
Fault in CAN communication with BMU control unit H
CAN message error between BMU control unit A and BMU control unit H.
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PCS
Coupling sleeve for L1, missing connection
Unable to start the movement from disengaged position to engaged position.
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