Scania DCU fault codes
All 58 Scania DCU diagnostic trouble codes, with meaning, causes and how to fix them.
Control units:
DCU3 (DCUA)DCU3 (DCUF)DCU3 (DCUM)DCU3 (DCUR)
Showing 1–58 of 58 codes
- 512hex 0200 Door control unit, internal fault
- 513hex 0201 Internal fault
- 514hex 0202 Door control unit, overload
- 515hex 0203 RAM, internal memory fault
- 516hex 0204 Door control unit, internal memory
- 518hex 0206 Control unit parameter setting
- 522hex 020A Communication, brown CAN bus (CAN1)
- 523hex 020B Communication, brown CAN bus (CAN1)
- 524hex 020C VIN code, inconsistent
- 525hex 020D Door control unit, incorrect location in bus
- 547hex 0223 Door motor brake rear door leaf, short circuit output
- 548hex 0224 Electric door motor rear door leaf, short circuit outputs
- 560hex 0230 Electric door motor, rear door leaf, open circuit, output
- 561hex 0231 Electric door motor front door leaf, open circuit output
- 769hex 0301 Communication with main control unit for main body system (MBS Master)
- 770hex 0302 Electric door motor, front door, short circuit outputs
- 771hex 0303 Door motor brake front door leadf, open circuit output
- 772hex 0304 Electric door motor, front door leaf, short circuit outputs
- 773hex 0305 Not impl: Overload on digital output
- 774hex 0306 Door position sensor, rear door leaf
- 775hex 0307 Door position sensor, front door leaf
- 776hex 0308 Sensing strip, rear door leaf, open circuit
- 777hex 0309 Sensing strip, front or single door leaf, open circuit
- 778hex 030A Long activation of sensing strip, rear door leaf, active
- 779hex 030B Long activation of sensing strip, front or single door leaf, active
- 780hex 030C Door control unit, low voltage
- 781hex 030D Door control unit, high voltage
- 782hex 030E Door motor brake rear door leaf, open circuit output
- 784hex 0310 Micro switch front door leaf, open circuit in closed position
- 785hex 0311 Micro switch rear door leaf, open circuit in closed position
- 786hex 0312 H-bridge front door leaf, error message
- 787hex 0313 H-bridge rear door leaf, error message
- 788hex 0314 Door control unit, too low a supply voltage V1, V2 and V3
- 789hex 0315 Emergency opening system reset valve A, output, open circuit
- 790hex 0316 Emergency opening system reset valve B, output, open circuit
- 791hex 0317 Emergency opening system reset valve A, output, short circuit
- 792hex 0318 Emergency opening system reset valve B, output, short circuit
- 793hex 0319 Output, sensor power supply, voltage too low
- 800hex 0320 Door control unit, output for voltage supply to connected components, short circuit
- 801hex 0321 Door control unit, fault in parameter settings
- 802hex 0322 Door control unit, potentiometer front door leaves, voltage outside valid range
- 803hex 0323 Door control unit, potentiometer rear door leaves, voltage outside valid range
- 804hex 0324 Micro switch front door leaf, door lock, open circuit
- 805hex 0325 Micro switch rear door leaf, door lock, open circuit
- 806hex 0326 Power supply pin group V1, voltage too low
- 807hex 0327 Power supply pin group V2, voltage too low
- 808hex 0328 Power supply pin group V3, voltage too low
- 809hex 0329 Autocalibration misconfigured in the open position
- 816hex 0330 Door control unit, door position sensor 1, recurring faults
- 817hex 0331 Door control unit, door position sensor 2, recurring faults
- 1280hex 0500 Door control unit, internal voltage fault
- 1296hex 0510 Communication fault in control unit
- 1536hex 0600 Door control unit, temperature too high
- 1792hex 0700 Door control unit, current above limit value
- 1808hex 0710 Control unit current is too high
- 1824hex 0720 Control unit current is too high
- 1840hex 0730 Control unit current is too high
- 1856hex 0740 Control unit current is too high