7
SPN, SID, FMI Fault Codes
89
WABCO
Maintenance Manual MM-0112 (Revised 07-18)
Figure 7.23
Figure 7.23
SPN
SID
FMI
Blink
Code
Description
W
arning
Light
System
Reaction
Cause
Action
1069
79
1
7
+ 8
Tire Pressure
Monitor (TPM)
A
T
C WL
if
P
a
rameter
is set
N/A
Tire pressure loss
detected b
y
change
of wheel
circumf
erence
.
•
Chec
k and correct tire pressure
.
•
Only a
v
ailab
le if ECU has been prog
ra
mmed f
o
r
TPM use
.
1204
5
No Loads
Detected
ABS WL
ABS Wheel
Disab
led
ESC/RSC/A
TC/
HSA Disab
led
E8
v
ersion
only
.
The ECU detects
that no modulators
are connected.
This is a common
fault dur
ing end
of line testing or
prog
ramming if only
the X1 connector is
connected.
•
Chec
k har
ness to ensure that modulators are connected and chec
k
fuses
.
2622
94
2
7
+ 1
HSA Activ
e
F
ault
HSA WL
HSA
Disab
led
It w
as detected that
HSA w
as
contin
uously activ
e
for more than 90s
or ECU detected no
HSA s
witch
inf
o
rmation in the
EBC1 Message if
s
witch is m
ultiple
x
ed.
•
V
e
ri
fy if ECU is correct f
o
r v
ehicle application.
•
Contact v
ehicle OEM to v
e
ri
fy broadcast of HSA s
witch is correct.
ESC
520210
88
1
N/A
ESC
Initialization
Not Complete
AT
C
W
L
Blinking
ESC Disab
led
ECU has recogniz
e
d
that the ESC module
is currently in
initialization mode
and has not been
completed.
•
F
o
llo
w the ESC Initialization (End of Line) calibr
a
tion.
520210
88
2
8
+ 6
ESC System
Configur
ation
A
TC WL
ESC
Disab
led
The ESC module is
not compatib
le with
the ABS ECU
.
•
V
e
ri
fy correct ABS ECU with OEM.
520210
88
5
7
+ 1
ESC CAN
Datalink F
ault
A
TC WL
ESC
Disab
led
Loss of CAN
comm
unication
betw
een the ESC
module and the ABS
ECU
.
•
Chec
k CAN wir
ing betw
een ABS-ECU and ESC-module f
o
r interr
uptions and shor
t
circuits
.
•
Chec
k CAN wir
ing betw
een ABS-ECU and SAS f
o
r interr
uptions and shor
t circuits
.
•
Chec
k f
o
r corroded or damaged wir
ing betw
een the ECU
, SAS and ESC Module
.
520210
7
ESC Module
Mounting
F
ault
A
TC WL
ESC
Disab
led
E8
v
ersion
only
.
The ESC module
mounting is not in
accordance with
specification.
•
V
e
ri
fy ESC module is securely mounted, le
v
e
led and in correct location.
Contact
WABCO North America Customer Care at 855-228-3203 to ensure ESC
module mounting is in accordance with ABS ECU par
ameters
.
4010666
a
