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215922
425
Revision A
Fault
Codes
Telltale
Short
Description
Full
Fault
Description
Recommended
Fix/Check
Message
SA
SPN
FMI
104
521504
6
Electrical
Sys
te
m
AHHC
Right
-in
Sensor
High
Err
or
Sensor
voltage
above
4.75
V.
Check
for
wiring
damage.
Adjus
t
and
re-calibrat
e
o
r
replace
sensor
if
necessary
.
104
521504
8
Electrical
Sys
te
m
AHHC
Right
-in
Sensor
Vref
Err
or
Reference
voltage
err
or
.
Check
sensor
wiring
for
damage.
104
521505
3
Electrical
Sys
te
m
AHHC
Right
-out
Sensor
Low
Alarm
Sensor
voltage
below
0.35V.
Check
sensor
power
supply
.
Adjus
t
and
re-calibrat
e
o
r
replace
sensor
if
necessary
.
104
521505
4
Electrical
Sys
te
m
AHHC
Right
-out
Sensor
High
Alarm
Sensor
voltage
above
4.5
V.
Check
for
wiring
damage.
Adjus
t
and
re-calibrat
e
o
r
replace
sensor
if
necessary
.
104
521505
5
Electrical
Sys
te
m
AHHC
Right
-out
Sensor
Low
Err
or
Sensor
voltage
below
0.175V.
Check
sensor
power
supply
.
Adjus
t
and
re-calibrat
e
o
r
replace
sensor
if
necessary
.
104
521505
6
Electrical
Sys
te
m
AHHC
Right
-out
Sensor
High
Err
or
Sensor
voltage
above
4.75
V.
Check
for
wiring
damage.
Adjus
t
and
re-calibrat
e
o
r
replace
sensor
if
necessary
.
104
521505
8
Electrical
Sys
te
m
AHHC
Right
-out
Sensor
Vref
Err
or
Reference
voltage
err
or
.
Check
sensor
wiring
for
damage.
104
521506
3
Electrical
Sys
te
m
VREF
Ext.
Mod,
Firewall
Open
Load
Check
wiring
for
damage
or
breaks.
Contact
dealer
.
The
following
sensor
s
may
be
affected:Knife
SpeedReel
SpeedLeft
Hand
Draper
SpeedRight
Hand
Draper
SpeedHeader
IdentificationReel
Height
PositionReel
Fore-Aft
Position
104
521506
4
Electrical
Sys
te
m
VREF
Ext.
Mod,
Firewall
Over
Load
High
current
on
circuit.
Check
wiring
for
damage.
Contact
dealer
.
The
following
sensor
s
may
be
affect
ed:
Knife
SpeedReel
SpeedLeft
Hand
Draper
SpeedRight
Hand
Draper
SpeedHeader
IdentificationReel
Height
PositionReel
Fore-Aft
Position
104
521507
3
Electrical
Sys
te
m
VREF
Ext.
Mod,
Chassis
Open
Load
Check
wiring
for
damage
or
breaks.
Contact
dealer
.
The
follwing
sensor
s
may
be
affect
ed:Knife
PressureReel
PressureDraper
PressureSupercharge
PressureLeft
Hand
Float
PositionRight
Hand
Float
Position
104
521507
4
Electrical
Sys
te
m
VREF
Ext.
Mod,
Chassis
Over
Load
High
current
on
circuit.
Check
wiring
for
damage.
Contact
dealer
.
The
follwing
sensor
s
may
be
affect
ed:
Knife
PressureReel
PressureDraper
PressureSupercharge
PressureLeft
Hand
Float
PositionRight
Hand
Float
Position