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Volvo P2 Platform (S40, etc.)Edit

This platform features High-Speed (HS) and Medium-Speed (MS) Controller Area Network. Both networks are 29-bit, and operate at 500kbps and 125kbps, respectively.

VADIS/VIDA QueriesEdit

Volvo does not have a specific set of enhanced PIDs. Therefore, accessing proprietary data is difficult. However, with hardware capable of accessing both CANBus and the vehicle K-Line (located on the DLC pin 7), commands from Volvo's own VIDA/VADIS software may be emulated and the replies read.

  • K-Line command to connect CAN relay (10400bps,8,N,1): 0x84 0x40 0x13 0xB2 0xF0 0x02 0x7C
  • Must be repeated every 3.5 seconds to keepalive

With the K-line signaling, data may be requested.

Request Header B0 B1 B2 B3 B4 B5 B6 B7 Reply Header Data Location (bits, little endian) Data Length Scaling Factor Units Notes
Wheel Velocity - Front Left 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 0 16 bits x*0.01 km/h Request Block 1
Wheel Velocity - Front Right 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 16 16 bits x*0.01 km/h Request Block 1
Wheel Velocity - Rear Left 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 32 16 bits x*0.01 km/h Request Block 1
Wheel Velocity - Rear Right 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 48 16 bits x*0.01 km/h Request Block 1
Wheel Acceleration - Front Left 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 64 8 bits x * 0.1 * 9.81 m/s^2 Request Block 1
Wheel Acceleration - Front Right 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 72 8 bits x * 0.1 * 9.81 m/s^2 Request Block 1
Wheel Acceleration - Rear Left 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 80 8 bits x * 0.1 * 9.81 m/s^2 Request Block 1
Wheel Acceleration - Rear Right 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 88 8 bits x * 0.1 * 9.81 m/s^2 Request Block 1
Velocity Reference 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 98 16 bits ? km/h Request Block 1
Vehicle Acceleration 0xFFFFE 0xCD 0x01 0xA6 0x00 0x01 0x01 0x00 0x00 0x400006 Bit 112 8 bits x * 0.1 * 9.81 m/s^2

Request Block 1

ActuationEdit

Fan Relay - 50% | xFFFE Cf 7a b1 00 26 01 00 01
Front Wash Motor Relay - Off | cf 50 b1 8f 30 01 01 00
Front Wash Motor Relay - On | cf 50 b1 8f 30 01 01 01
Front Fog Light Relay - On | CF 50 B1 8c 10 01 01 01
Front Fog Light Relay - Off | CF 50 B1 8c 10 01 01 00

NotesEdit

Volvo does not have a specific set of enhanced PIDs.

LinksEdit

Hacking Volvo

ME7 CANBus Communication

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