215922
437
Revision A
Fault
Codes
Telltale
Short
Description
Full
Fault
Description
Recommended
Fix/Check
Message
SA
SPN
FMI
178
521274
5
Electrical
Sys
te
m
Wiper
washer
BK12
Relay
coil
is
not
receiving
power
Contact
Dealer
178
521274
6
Electrical
Sys
te
m
Wiper
washer
BK12
Relay
Normally
open
contact
is
short
ed
Replace
relay
178
521274
7
Electrical
Sys
te
m
Wiper
washer
BK12
Relay
Normally
closed
contact
is
short
ed
Replace
relay
178
521315
1
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BF1
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521315
2
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BF1
Fuse
Not
Powered
Contact
Dealer
178
521318
1
Electrical
Sys
te
m
Tail
Lights,
Cab
Fwd
BF2
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521318
2
Electrical
Sys
te
m
Tail
Lights,
Cab
Fwd
BF2
Fuse
Not
Powered
Contact
Dealer
178
521321
1
Electrical
Sys
te
m
Wiper
,
Cab
Fwd
BF3
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521321
2
Electrical
Sys
te
m
Wiper
,
Cab
Fwd
BF3
Fuse
Not
Powered
Contact
Dealer
178
521324
1
Electrical
Sys
te
m
High
Beam
Lights,
EF
BF4
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521324
2
Electrical
Sys
te
m
High
Beam
Lights,
EF
BF4
Fuse
Not
Powered
Contact
Dealer
178
521327
1
Electrical
Sys
te
m
Wiper
,
E
F
BF5
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521327
2
Electrical
Sys
te
m
Wiper
,
E
F
BF5
Fuse
Not
Powered
Contact
Dealer
178
521330
1
Electrical
Sys
te
m
LH
Turn
Signal
Lights
BF6
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521330
2
Electrical
Sys
te
m
LH
Turn
Signal
Lights
BF6
Fuse
Not
Powered
Contact
Dealer
178
521333
1
Electrical
Sys
te
m
RH
Turn
Signal
Lights
BF7
Fuse
Blown
Replace
blown
fuse
in
chassis
relay
module.
178
521333
2
Electrical
Sys
te
m
RH
Turn
Signal
Lights
BF7
Fuse
Not
Powered
Contact
Dealer