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The BCU (Basic Control Unit) controls the basic functions of
the tractor and the hitch.
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Light
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Diagnostic trouble code
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Basic description
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Description
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blue
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BCU
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000096.17
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Fuel level is low
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Fill the fuel tank.
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blue
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BCU
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000186.17
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Rear PTO
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Rear PTO speed too low. Switch off and then on again.
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yellow
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BCU
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001058.18
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Brake system
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Air brake pressure too low.
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blue
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BCU
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001504.14
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HMS
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Check which sequences are currently active before operating
with HMS.
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blue
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BCU
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001882.17
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Front PTO
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Front PTO speed too low. Switch off and then on again.
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blue
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BCU
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001894.31
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Rear PTO
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Rear PTO does not work. Switch off all PTO switches.
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blue
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BCU
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001896.31
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Rear PTO
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Do not keep changing the preselection of rear PTO speed.
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yellow
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BCU
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002818.31
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Rear PTO
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Operator not on seat.
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blue
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BCU
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523689.31
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Differential lock
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Differential lock switch on all the time or stuck.
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blue
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BCU
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523749.31
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Rear PTO
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Rear PTO does not work. Switch off and then on again.
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yellow
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BCU
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523839.14
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Park brake
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Park brake is engaged and a gear is selected.
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yellow
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BCU
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523839.31
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Park brake
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Tractor is moving although park brake is engaged.
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yellow
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BCU
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523904.31
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Front PTO
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Operator not on seat.
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yellow
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BCU
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523908.14
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Rear PTO
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Rear PTO can now be switched on at the switch on the fender.
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blue
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BCU
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524216.02
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HMS
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Switch off the front PTO switch.
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blue
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BCU
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524216.14
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HMS
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The front PTO switch must be on for operation with HMS. Caution:
Unless in learn mode, PTO is switched on.
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blue
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BCU
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524216.31
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Front PTO
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Switch off the front PTO switch.
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blue
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BCU
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524224.02
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HMS
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Switch off the rear PTO switch.
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blue
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BCU
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524224.14
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HMS
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The rear PTO switch must be on for operation with HMS. Caution:
Unless in learn mode, PTO is switched on.
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blue
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BCU
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524224.31
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Rear PTO
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Switch off the rear PTO switch.
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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.
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