Scania fault code 2589
Code 2589 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 position sensor for the first and third gear coupling sleeve indicates an unexpected change of position from third gear position to its neutral position.
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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, unexpected movement
There was an unexpected movement from engaged position to disengaged position.
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