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