Scania fault code 2591
Code 2591 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
Despite repeated attempts, the position sensor fails to verify that the first and third gear coupling sleeve has reached its neutral position.
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BMU Battery Management Unit
No CAN message from BMU control unit I
BMU control unit A is missing CAN message from secondary BMU control unit I.
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PCS
Coupling sleeve for L1, missing connection
Unable to end the movement from disengaged position to engaged position.
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