VCDS

VAGCOM Block Cheat Sheet

Basics

1	coolant temp, o2 sens banks 1 and 2
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 twc, o2s post twc, b2 pre twc, b2 post twc
32	o2s LTFT: idle b1s1, part b1s1, idle b2s1, part b2s1
33	o2s v and ctrl pre cat: b1s1 ctrl, b1s2 v, b2s1 ctrl, b2s1 v
34	o2s ..
35	o2s ..
36	o2s ..
37	load, bank1 o2c volt s2, corr val s1-s2
38	load, bank2 o2s volt s2, corr val s1-s2
43	o2s aging
44	o2s aging

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	throttle 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