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215922
432
Revision A
Fault
Codes
Telltale
Short
Description
Full
Fault
Description
Recommended
Fix/Check
Message
SA
SPN
FMI
176
521297
2
Electrical
Sys
te
m
Rear
Swath
Lights
EC5
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC5
circuit
breaker
.
Contact
dealer
.
176
521300
1
Electrical
Sys
te
m
High
Beam
Lights
CF
EC6
Circuit
Breaker
Blown
Check
roof
relay
module
176
521300
2
Electrical
Sys
te
m
High
Beam
Lights
CF
EC6
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC6
circuit
breaker
.
Contact
dealer
.
176
521303
1
Electrical
Sys
te
m
Tail
Lights
Engine
Fwd
EC7
Circuit
Breaker
Blown
Check
roof
relay
module
176
521303
2
Electrical
Sys
te
m
Tail
Lights
Engine
Fwd
EC7
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC7
circuit
breaker
.
Contact
dealer
.
176
521306
1
Electrical
Sys
te
m
Rear
Roof
Work
Lights
EC8
Circuit
Breaker
Blown
Check
roof
relay
module
176
521306
2
Electrical
Sys
te
m
Rear
Roof
Work
Lights
EC8
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC8
circuit
breaker
.
Contact
dealer
.
176
521309
1
Electrical
Sys
te
m
Beacon
Lights
EC9
Circuit
Breaker
Blown
Check
roof
relay
module
176
521309
2
Electrical
Sys
te
m
Beacon
Lights
EC9
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC9
circuit
breaker
.
Contact
dealer
.
176
521312
1
Electrical
Sys
te
m
Dome
Light,
Cab
EC10
Circuit
Breaker
Blown
Check
roof
relay
module
176
521312
2
Electrical
Sys
te
m
Dome
Light,
Cab
EC10
Circuit
Breaker
Not
Powered
Check
wiring
to
roof
relay
module
EC10
circuit
breaker
.
Contact
dealer
.
178
521186
1
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
coil
open
or
not
present
Check
chassis
module
for
missing
relay
.
Replace
relay
.
178
521186
2
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
Coil
short
ed
or
failed
relay
driver
Replace
relay
178
521186
3
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
Normally
Open
contact
is
open
Replace
relay
178
521186
4
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
Normally
Closed
contact
is
open
Replace
relay
178
521186
5
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
coil
is
not
receiving
power
Contact
Dealer
178
521186
6
Electrical
Sys
te
m
Brake
Lights,
Cab
Fwd
BK1
Relay
Normally
open
contact
is
short
ed
Replace
relay