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