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VW Golf MK4Edit

DataEdit

Header Data Equation
0x280 Engine Speed Bytes 3,4, little endian
0x480 Fuel Consumption Byte 3

0x1A0     Wheel Speed         Byte 4 * 1.25 [Km/h]

LinksEdit

Reverse Engineering VW

(Mirror) Reverse Engineerin VW

VW Golf GTI MK5Edit

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MKV Spreadsheet

Forum Post - Steering Controls

VW Passat B6 3C & B7 3A Edit

IN CASE OF THIS WIKI DISAPPEARENCE - A COPY OF THIS SECTION IS ON MY WIKI:

https://www.msvc.com.pl/wiki/pages/viewpage.action?pageId=3571729 (it may contain more frequently updated info than this page)

My CAN log has been made of few minutes drive from ignition off to ignition off. All took approx. 5 minutes.

Full log contains 145 670 messages.


Data:

Msg ID Length byte 0 byte 1 byte 2 byte 3 byte 4 byte 5 byte 6 byte 7 Comment
0x050 4 0x00 0x00 - airbag ok,

0x04 - airbag ok,

0x05 - yellow airbag icon

0x00 0x00 AirBag system
0x1A0 8 0x00 ABS status icons (according to Table 1) Speed high byt Speed low byte 0x00 0xFE 0x00 ? Vehicle speed (ABS)
0x220 8 0x48 0xC0 0x00 0x10 0x39 0x03 0x10 0x00 Message appeared 26 times till 83 561 row with constant values
0x221 8 0x48 0xC0 0x00 0x10 0x28 0x03 0x10 0x00 Message appeared 9 times till 83 522 row with constant values
0x280 8 ? ? RPM low byte RPM high byte ? ? ? ? Message contains rpm value engine status
0x280 8 0x00 0x00 0x00 0x00 0x00 0x00 0x11 0x00 check engine on,

glow plugs on,

dpf filter on

0x280 8 0x00 0x00 0x16 0x09 0x00 0x00 0x11 0x5C check engine off,

glow plugs off,

dpf filter off

0x288 6 ? Coolant temp.:

((degrees - 30)*0.81)+115

Cruise control light (0x80 - on, 0x00 - off) ? ? ? Generally - car status
0x320 8 ? ? ? ? ? ? ? ? Unrecognized
0x373 8 0x40, 0x41, 0x51 0x80 0x80 - normal,

0x82 yellow steering wheel

0x80, 0x82 0x10 0x22 0x00 0x00 Unrecognized
0x3D0 6 0x00 Steering wheel status:

0x00 ok,

0x01 red wheel icon,

0x02 yellow wh. icon

0x00 0x00 0x00 0x51 Steering wheel status
0x470 5 0x80 - no charing indicator,

0x00, 0x20 normal work

0x00, 0x01 Dash illumination in percents (0x00 = 0%, 0x64 = 100%) 0x00 0x00 Board electrics status
0x531 4 ? ? Turning lights:

0x00 - off

0x01 - left

0x02 - right

0x03 - both

? byte 2 contains not only turning lights - I'll update as soon as I'll find out
0x540 8 0x00 0x00 0xFF 0x00 0xFF 0x00 0x10 press break pedal (green icon)

0x00 - icon off

Gears display (according to Table 2) Drivetrain information
0x56A 8 0x83 0x00 0x00 cruise control desired speed (decimal value 1 =1 ) 0x00 0x00 0x00 CC on FIS off,

0x02 CC on FIS on/inactive

0x03 CC on FIS on/active (bigger, bold desired speed)

0x81
0x5C0 8 0x0B 0x80 0x80 0xA6 0x24 0x00 0x08 0x81 yellow (P) icon crossed
0x5C1 1 See Table 3 Steering wheel buttons
0x635 4 Dash illumination in percents (0x00 = 0%, 0x64 = 100%) 0x00 0x00 0x00 Bytes 1-3 are always 0x00
0x65D 8 - - - - - - - - Current date and time

TABLE 1: ABS status

Value icon comment
0x04 blinking red (!)
0x05 yellow ABS + blinking (!)
0x06 yellow ESP + blinking (!)
0x07 ABS + ESP + blinking (!)
0x81 ABS warning
0x82 ESP warning
0x83 ABS + ESP warning
0x84 (!) - parking brake
0x85 ABS + (!)
0x86 ESP + (!)
0x87 ABS + ESP + (!)
0x?8 all normal (ligths off)

TABLE 2: Gearbox display (for msg 540, byte 7, "?" represents irreleveant value):

value display comment
0x?0 P R N D 4 3 2 Classic hydraulic gearbox with manual gears.
0x?1 P R N D Classic hydraulic gearbox.
0x?2 P R N D 3 2 1 Classic hydraulic gearbox with manual gears.
0x?3 Empty field (no gears displayed at all)
0x?4 [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?5 [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?6 P R N D S Classic hydraulic gearbox with "Sport" mode
0x?7 [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?8 4 3 2 1 Manual gears for 4-gear gearbox
0x?9 5 4 3 2 1 Manual gears for 5-gear gearbox
0x?A [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?B [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?C 6 5 4 3 2 1 Manual gears for 6-gear gearbox
0x?D 7 6 5 4 3 2 1 Manual gears for 7-gear gearbox
0x?E [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x?F [|] [|] [|] [|] [|] [|] [|] Seven full rectangles
0x0? No gear selected
0x1? All gears selected
0x2? First gear selected (e.g. for 0x21 it'll be [P], 0x2C - [6])
0x3? Second gear selected
0x4? Third gear selected
0x5? Fourth gear selected
0x6? Fifth gear selected

TABLE 3: Steering wheel buttons

value button
0x0A menu
0x22 up
0x23 down
0x28 ok