BCU Control Unit

The BCU (Basic Control Unit) controls the basic functions of the tractor and the hitch.

Light

Diagnostic trouble code

Basic description

Description

blue

BCU

000096.17

Fuel level is low

Fill the fuel tank.

blue

BCU

000186.17

Rear PTO

Rear PTO speed too low. Switch off and then on again.

yellow

BCU

001058.18

Brake system

Air brake pressure too low.

blue

BCU

001504.14

HMS

Check which sequences are currently active before operating with HMS.

blue

BCU

001882.17

Front PTO

Front PTO speed too low. Switch off and then on again.

blue

BCU

001894.31

Rear PTO

Rear PTO does not work. Switch off all PTO switches.

blue

BCU

001896.31

Rear PTO

Do not keep changing the preselection of rear PTO speed.

yellow

BCU

002818.31

Rear PTO

Operator not on seat.

blue

BCU

523689.31

Differential lock

Differential lock switch on all the time or stuck.

blue

BCU

523749.31

Rear PTO

Rear PTO does not work. Switch off and then on again.

yellow

BCU

523839.14

Park brake

Park brake is engaged and a gear is selected.

yellow

BCU

523839.31

Park brake

Tractor is moving although park brake is engaged.

yellow

BCU

523904.31

Front PTO

Operator not on seat.

yellow

BCU

523908.14

Rear PTO

Rear PTO can now be switched on at the switch on the fender.

blue

BCU

524216.02

HMS

Switch off the front PTO switch.

blue

BCU

524216.14

HMS

The front PTO switch must be on for operation with HMS. Caution: Unless in learn mode, PTO is switched on.

blue

BCU

524216.31

Front PTO

Switch off the front PTO switch.

blue

BCU

524224.02

HMS

Switch off the rear PTO switch.

blue

BCU

524224.14

HMS

The rear PTO switch must be on for operation with HMS. Caution: Unless in learn mode, PTO is switched on.

blue

BCU

524224.31

Rear PTO

Switch off the rear PTO switch.

If other diagnostic trouble codes appear, one of the tractor's sub-assemblies is either not working properly or not working at all. Make a note of the code and contact your dealer.

OU12401,0001D84-19-20091128