---
active: true
derived: false
header: 'CAN bus'
level: 1.5
normative: true
reviewed: null
links:
  - SYS-009
  - SYS-010
asil: QM
---

# SA-005: CAN bus

## Responsibility

Communication backbone for input data (brake pedal, gear, door,
belt), output (status frame to the display) and diagnostics (UDS
on the tester address).

## Interfaces

- Baud rate: 500 kbit/s, CAN 2.0B
- Received frames: 0x100 (brake pedal), 0x110 (gear),
  0x120 (door/belt), 0x712 (UDS request)
- Sent frames: 0x3A0 (status 50 Hz), 0x71A (UDS response)