C0301 - Pneumatics. Reading of pneumatic diagrams
C0302 - EBS in trucks. Diagnostics, diagrams and system checks
C0303 - Suspension. Diagnostics, calibration of sensors and modification of parameters in ECAS
C0304 - Compressed air generation. Diagnosis and configuration of parameters
C0305 - ABS/ASR in trucks. Diagnostics, diagrams and system checks