Diagnostic Trouble Codes on Basic Control Unit / Hitch Control Unit (BCU)

Light

Diagnostic trouble code

Description

blue

BCU 000070.31

Handbrake problem

blue

BCU 000084.02

Transmission output speed sender, fault in electrical circuit

yellow

BCU 000168.16

System voltage too high (engine running)

yellow

BCU 000168.17

System voltage too low (engine speed over 1500 rpm)

yellow

BCU 000168.18

System voltage too low (engine speed up to 1500 rpm)

blue

BCU 000186.02

Rear PTO speed sender, fault in electrical circuit

blue

BCU 000186.15

Rear PTO speed is still registered after PTO has been switched off

blue

BCU 000186.17

Rear PTO speed is not being registered

blue

BCU 000190.02

Engine speed sender, fault in electrical circuit

blue

BCU 000629.12

Control unit, internal fault

blue

BCU 000639.12

Control unit, internal fault

blue

BCU 000639.13

29-BIT CAN BUS, high error rate

blue

BCU 000639.19

29-BIT CAN BUS, very high error rate

blue

BCU 000746.31

Differential lock solenoid valve, fault in electrical circuit

blue

BCU 000980.07

Rear PTO, switch fault

blue

BCU 001893.07

Front PTO, switch fault

blue

BCU 299780.07

Turn signal switch, malfunction

blue

BCU 302073.31

Rear PTO solenoid valve, fault in electrical circuit

blue

BCU 302080.31

Differential lock, switch fault

blue

BCU 302085.31

Front-wheel drive, switch fault

blue

BCU 302086.31

Solenoid valve for front-wheel drive clutch, fault in electrical circuit

blue

BCU 302106.31

Control unit, internal fault

blue

BCU 302120.31

Front PTO solenoid valve, fault in electrical circuit

blue

BCU 302123.31

Switch signal from forward or reverse travel does not match the signal from the not-neutral switch

blue

BCU 302124.31

Alternator relay, fault in electrical circuit

blue

BCU 302131.31

Fault in turn signal circuit

blue

BCU 302132.31

Hazard warning light fuse F03/04 and/or F03/07 defective

blue

BCU 302133.31

Rear PTO preselection, switch fault

blue

BCU 302134.31

HMS program switch is faulty

blue

BCU 302135.31

Remote control of rear PTO, fault at l.h. switch

blue

BCU 302136.31

Remote control of rear PTO, fault at r.h. switch

blue

BCU 302240.31

Control unit connected to wrong harness connector

blue

BCU 303027.31

Hitch control unit, calibration not successful

blue

BCU 303037.03

5-volt power supply is too high

blue

BCU 303037.04

5-volt power supply is too low

blue

BCU 303041.02

Coil 1 of stepper motor, open circuit

blue

BCU 303042.02

Coil 2 of stepper motor, open circuit

blue

BCU 303043.02

Coil 1 of stepper motor, fault in electrical circuit

blue

BCU 303044.02

Coil 2 of stepper motor, fault in electrical circuit

yellow

BCU 303045.04

System voltage too low

yellow

BCU 303047.03

System voltage too high

blue

BCU 303049.02

Conflicting signals from quick withdrawal switch and remote switch

blue

BCU 303049.03

Rocker switch for quick withdrawal, signal voltage too high

blue

BCU 303049.04

Rocker switch for quick withdrawal, signal voltage too low

blue

BCU 303051.03

Left draft sensor, signal voltage too high

blue

BCU 303051.04

Left draft sensor, signal voltage too low

blue

BCU 303052.03

Right draft sensor, signal voltage too high

blue

BCU 303052.04

Right draft sensor, signal voltage too low

blue

BCU 303053.03

Sensitivity potentiometer, signal voltage too high

blue

BCU 303053.04

Sensitivity potentiometer, signal voltage too low

blue

BCU 303054.03

Depth setting potentiometer, signal voltage too high

blue

BCU 303054.04

Depth setting potentiometer, signal voltage too low

blue

BCU 303055.03

Position sensor, signal voltage too high

blue

BCU 303055.04

Position sensor, signal voltage too low

blue

BCU 303056.03

Lift limit potentiometer, signal voltage too high

blue

BCU 303056.04

Lift limit potentiometer, signal voltage too low

blue

BCU 303057.03

Rate-of-drop potentiometer, signal voltage too high

blue

BCU 303057.04

Rate-of-drop potentiometer, signal voltage too low

blue

BCU 303058.02

Remote control switch, faulty signal

blue

BCU 303177.18

Oil temperature too low during calibration

blue

BCU 303251.02

Left draft sensor, distorted signal during calibration

blue

BCU 303251.03

Left draft sensor, signal voltage too high during calibration

blue

BCU 303251.04

Left draft sensor, signal voltage too low during calibration

blue

BCU 303252.02

Right draft sensor, distorted signal during calibration

blue

BCU 303252.03

Right draft sensor, signal voltage too high during calibration

blue

BCU 303252.04

Right draft sensor, signal voltage too low during calibration

blue

BCU 303255.03

Position sensor, signal voltage too high during calibration

blue

BCU 303255.04

Position sensor, signal voltage too low during calibration

blue

BCU 303260.16

Stepper motor, deadband step (raising) is above the permitted upper threshold during calibration

blue

BCU 303260.18

Stepper motor, deadband step (raising) is below the permitted lower threshold during calibration

blue

BCU 303261.16

Stepper motor, deadband step (lowering) is above the permitted upper threshold during calibration

blue

BCU 303261.18

Stepper motor, deadband step (lowering) is below the permitted lower threshold during calibration

OULXE59,00106DE-19-20041205