7
SPN, SID, FMI Fault Codes
85
WABCO
Maintenance Manual MM-0112 (Revised 07-18)
Figure 7.19
Figure 7.19
SPN
SID
FMI
Blink
Code
Description
W
arning
Light
System
Reaction
Cause
Action
806
4
ABV Dr
iv
e
Axle
. Shor
ted
to g
round
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
Contin
uity betw
een
suspect Activ
e
Br
aking V
alv
e
circuit
and g
round is
detected.
• E8
V
e
rsion
only
.
−
V
e
rify 7.0-14.0 ohm betw
e
en ABV supply and ABV common f
o
r 12V system (26.3-
49.0 ohm f
o
r 24V system).
•
Chec
k f
o
r contin
uity betw
een suspect Activ
e
Br
aking
V
a
lv
e circuit and g
round.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU and ABVs
.
806
18
5
7
+ 2
ABV Dr
iv
e
Axle
. Open
Circuit
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
ECU has detected
that the suspect
Activ
e
Br
aking
V
a
lv
e
circuit is not
detected or the
circuit has been
interr
upted.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
V
e
ri
fy if connectors are fully seated, chec
k f
o
r corroded or damaged wir
ing betw
een the
ECU and ABV
.
806
18
6
7
+ 2
ABV Dr
iv
e
Axle
. Shor
ted
to Ground
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
Contin
uity betw
een
suspect Activ
e
Br
aking V
a
lv
e
circuit
and g
round is
detected.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
Chec
k f
o
r contin
uity betw
een suspect Activ
e
Br
aking
V
a
lv
e circuit and g
round.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU and ABVs
.
807
19
1
7
+ 6
ABV F
ront
Axle
. Shor
ted
to UBA
T
T
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
Contin
uity betw
een
suspect Activ
e
Br
aking V
a
lv
e
circuit
and v
oltage supply
(shor
t circuit) is
detected.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
Chec
k f
o
r contin
uity betw
een suspect ABV g
round circuit and v
o
ltage supply
.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU and ABV
.
807
19
2
7
+ 6
ABV F
ront
Axle
. Open
Circuit
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
ECU has detected
that the suspect
Activ
e
Br
aking
V
a
lv
e
circuit is not
detected or the
circuit has been
interr
upted.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
V
e
ri
fy if connectors are fully seated, chec
k f
o
r corroded or damaged wir
ing betw
een the
ECU and ABV
.
•
Ma
y also indicate incorrect ECU f
o
r type of tr
ansmission.
807
19
3
7
+ 6
ABV T
railer
Control.
Shor
ted to
UBA
T
T
ABS WL
ESC/RSC/A
TC
Disab
led
Contin
uity betw
een
suspect Activ
e
Br
aking V
a
lv
e
circuit
and v
oltage supply
(shor
t circuit) is
detected.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
Chec
k f
o
r contin
uity betw
een suspect ABV g
round circuit and v
o
ltage supply
.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU and ABV
.
807
19
4
7
+ 6
ABV F
ront
Axle
. Shor
ted
to Ground
ABS WL
ESC/RSC/A
TC/
HSA Disab
led
Contin
uity betw
een
suspect Activ
e
Br
aking V
a
lv
e
circuit
and g
round is
detected.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
Chec
k f
o
r contin
uity betw
een suspect Activ
e
Br
aking
V
a
lv
e circuit and g
round.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU and ABV
.
807
19
5
7
+ 6
ABV T
railer
Control.
Open
Circuit
ABS WL
ESC/RSC
Disab
led
ECU has detected
that the suspect
Activ
e
Br
aking
V
a
lv
e
circuit is not
detected or the
circuit has been
interr
upted.
•
V
e
ri
fy 7.0-14.0 ohm betw
een ABV supply and ABV common f
o
r 12V system (26.3-49.0
ohm f
o
r 24V system).
•
V
e
ri
fy if connectors are fully seated, chec
k f
o
r corroded or damaged wir
ing betw
een the
ECU and ABV
.
•
If SLC ECU ma
y indicate issue with diff loc
k solenoid or tr
ansf
er case loc
k
solenoid.
4010662
a
