I just bought a I think 2000 model 953c serial#2zn01600 it will have no service active codes when in neutral position pull it back in forward or reverse and it will do ok for a min the busser goes off and service code light will come on hold the right steer petal then it will kick off and run and it will do it again in seconds if you have it in neutral and press the brake it will come on untill you let off the brake code 079 133.07
Check your messages for an electrical schematic and troubleshooitng procedure. If you have any questions then please post back here.
079 134.07 079 299.13 079 468.03 079 135.07 079 468.13 now codes
Any update.? Did the calibrations of the speed/direction control and centre brake pedal sensors fix the problem.?