Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 183
DQ-250 6F 02E
DTC Fault Code
Description
Monitor Strat‐
egy Descrip‐
tion
Malfunction
Criteria
Threshold
Value
Secondary Pa‐
rameters with
Enable Condi‐
tions
Monitor‐
ing Time
Length
Fre‐
quency
of
checks,
MIL Il‐
lum
• open-circuit
check
• desired
valve cur‐
rent of
clutch 1
exceeds a
threshold
simultane‐
ous the ac‐
tual valve
current is
smaller
than a sec‐
ond
threshold
• desired
current>
350 mA
actual cur‐
rent< 50
mA
• common
high-side
switch 1 on,
not defect
and voltage
> 9.2 V
• gearbox sub‐
system 1 ac‐
tive
• common
high-side
switches not
deactivated
by module 2
• terminal 15
voltage > 9 V
for more than
500 ms
• engine
speed > 500
rpm
P0747 Pressure
Control Sol‐
enoid "A"
Stuck On
• pressure
buildup
monitoring
• the num‐
ber of suc‐
cessive
pressure
buildup
failure of
clutch 1
reaches a
maximum
value
• counter > 2 • engaged
gear on input
shaft 1
• desired pres‐
sure >adap‐
ted clutch
slipping point
– 0.2 bar
• output speed
< 200 rpm
• terminal 15
voltage > 4 V
for more than
500 ms
• battery volt‐
age > 9 V for
more than
500 ms
• engine
speed > 600
rpm for more
than 500 ms
• 0 ms • 2
driv‐
ing
cy‐
cles
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
405
DQ-250 6F 02E
DTC Fault Code
Description
Monitor Strat‐
egy Descrip‐
tion
Malfunction
Criteria
Threshold
Value
Secondary Pa‐
rameters with
Enable Condi‐
tions
Monitor‐
ing Time
Length
Fre‐
quency
of
checks,
MIL Il‐
lum
• short-circuit
current
check
• compari‐
son of ac‐
tual valve
current
with de‐
sired valve
current of
clutch 1
• actual
current>de‐
sired cur‐
rent and
(actual cur‐
rent- de‐
sired cur‐
rent)> 200
mA for
more than
200 ms
• common
high-side
switch 1 on,
not defect
and voltage
> 9.2 V
• gearbox sub‐
system 1 ac‐
tive
• common
high-side
switches not
deactivated
by module 2
• terminal 15
voltage > 9 V
for more than
500 ms
• engine
speed > 500
rpm
• 200
ms
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
406
Rep. Gr. ST - Generic Scan Tool
DQ-250 6F 02E
DTC Fault Code
Description
Monitor Strat‐
egy Descrip‐
tion
Malfunction
Criteria
Threshold
Value
Secondary Pa‐
rameters with
Enable Condi‐
tions
Monitor‐
ing Time
Length
Fre‐
quency
of
checks,
MIL Il‐
lum
P0751 Shift Sole‐
noid "A"
Perform‐
ance/Stuck
Off
• open-circuit
check
• Compari‐
son of re‐
sidual cur‐
rent of
gearbox
subsystem
1 (total
current at
common
high-side
switch 1 –
actual cur‐
rent of
clutch 1) at
switching
point of
control
gearshift
fork valve
1 with re‐
sidual cur‐
rent at per‐
manent
control of
control
gearshift
fork valve
1
• difference
of residual
current<=
200 mA
(supply
voltage at
common
high-side
1=7 V) ..
450 mA
(supply
voltage at
common
high-side
1=13 V)
• common
high-side
switch 1 on,
not defect
and voltage
> 9.2 V
• gearbox sub‐
system 1 ac‐
tive
• common
high-side
switches not
deactivated
by module 2
• change of
supply volt‐
age < 1 V
• duty factor
change of
safety valve
1 (control of
safety valve
1 is stable)
<= 5%
• duty factor
change of
gearshift fork
valve 2 (con‐
trol of gear‐
shift fork
valve 2 is sta‐
ble) <= 5%
• y factor
change of
safety valve
2 > 70%
• control of
safety valve
2 is stable >=
50 ms
• duty factor
change of
gearshift >
500 rpm
• 300
ms
• 2
driv‐
ing
cy‐
cles
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
407
DQ-250 6F 02E
DTC Fault Code
Description
Monitor Strat‐
egy Descrip‐
tion
Malfunction
Criteria
Threshold
Value
Secondary Pa‐
rameters with
Enable Condi‐
tions
Monitor‐
ing Time
Length
Fre‐
quency
of
checks,
MIL Il‐
lum
P0756 Shift Sole‐
noid "B"
Perform‐
ance/Stuck
Off
• open-circuit
check
• Compari‐
son of re‐
sidual cur‐
rent of
gearbox
subsystem
1 (total
current at
common
high-side
switch 1 –
actual cur‐
rent of
clutch 1) at
switching
point of
control
gearshift
fork valve
2 with re‐
sidual cur‐
rent at per‐
manent
control of
control
gearshift
fork valve
2
• difference
of residual
current<=
200 mA
(supply
voltage at
common
high-side
1=7 V) ..
450 mA
(supply
voltage at
common
high-side
1=13 V)
• common
high-side
switch 1 on,
not defect
and voltage
> 9.2 V
• gearbox sub‐
system 1 ac‐
tive
• common
high-side
switches not
deactivated
by module 2
• change of
supply volt‐
age < 1 V
• duty factor
change of
safety valve
1 (control of
safety valve
1 is stable)
<= 5%
• duty factor
change of
gearshift fork
valve 1 (con‐
trol of gear‐
shift fork
valve 1 is sta‐
ble) <= 5%
• duty factor of
control gear‐
shift fork
valve 2 >
70% and
steady state
time >=
50ms
• terminal 15
voltage > 9 V
for more than
500 ms
• engine
speed > 500
rpm
• 300
ms
• 2
driv‐
ing
cy‐
cles
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
408
Rep. Gr. ST - Generic Scan Tool
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