Applies to: ACS6 (ACS)
What does Scania ACS fault code 521 mean?
What causes Scania DTC 521?
How to fix Scania ACS fault code 521?
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Code 521 in other Scania systems
- 521hex 0209 Orange CAN bus
- 521hex 0209 Micro switch rear door passenger side (truck)/micro switch A4 (bus), short circuit
- 521hex 0209 Communication fault, CAN bus for expansion units
- 521hex 0209 Control unit
- 521hex 0209 CAN communication
- 521hex 0209 Brake pedal sensor
- 521hex 0209 LIN bus 1, no communication
- 521hex 0209 TCC control unit, communication is missing with LIN bus 1
- 521hex 0209 The clutch pedal position cannot be read
- 521hex 0209 Output signal