VCDS

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VAGCOM Block Cheat Sheet

Basics

1 coolant temp o2 sens bank1 o2 bank2
2 load injection time maf
3 maf throttle angle timing

Boost

113 load throttle drive atmos pressure
115 load spec'd boost actual boost
118 iat boost duty cycle actual boost

Timing

20: timing correction 1 2 3 4
21: timing correction 5 6
22 load ign angl corr 1 ign angl corr 2
23 load ign angl corr 3 ign angl corr 4
24 load ign angl corr 5 ign angl corr 6
26: knock sensor voltage 1 2 3 4
27: knock sensor voltage 5 6

O2 sensors

30: o2s ctrl op
31: o2s v pre(s1)/post(s2) b1s1 b1s2 b2s1 b2s2
32: o2s LTFT (s1) idle b1 part b1 idle b2 part b2
33: o2s pre cat (s1) b1 ctrl b1 v b2 ctrl b2 v
34: o2s aging post (s2) b1 rpm egt time period status
35: o2s aging post (s2) b2 rpm egt time period status
36: o2s post (s2) b1 v supply b1 status b2 v supply b2 status
37: o2s bank1 load volt s2 corr val s1-s2 status
38: o2s bank2 load volt s2 corr val s1-s2 status
43: o2s aging ore (s1) b1 rpm egt time period status
44: o2s aging pre (s1) b2 rpm egt time period status

General

4 batt voltage coolant temp iat
5 load speed Op condition-idl/prt/fl/dcl/erch
6 load iat alt cor fact
10 load throttle drive ignition time
11 coolant temp iat ignition time

Misfires

14 load misfire count misfire status
15: misfires 1 2 3 status
16: misfires 4 5 6 status
18: misfires lowest+speed@ highest+speed@ lowest+load@ higehst+load@

Throttle

60: throt vcm adapt
61: throt volt throt drive op condition
62: throt sens 1 sens 2 pos sender 2
63: throt pos duty cycle

Secondary air injection system

77: bank 1 air mass rel air mas diag
78: bank 2 air mass rel air mas diag

Catalytic convertors

46 cat b1
47 cat b2

Misc

50 spec'd eng spd ac idle boost ac compressor on/off
54 op condition throt pos throt drive
55 idle
56 idle
66 cruise
70 evap
71 fuel tank