214733 456 Revision A
Fault Codes
Telltale
Short
Description
Full Fault
Description
Recommended
Fix/Check Message
SA SPN
FMI
178 521218
1
Electrical
System
Left Turn Signal
BK6 Relay coil open or not
present
Check chassis module for missing replay. Replace
relay.
178 521218 2
Electrical
System
Left Turn Signal
BK6 Relay Coil shorted or
failed relay driver
Replace relay
178 521218 3
Electrical
System
Left Turn Signal
BK6 Relay Normally Open
contact is open
Replace relay
178 521218
4
Electrical
System
Left Turn Signal
BK6 Relay Normally Closed
contact is open
Replace relay
178 521218 5
Electrical
System
Left Turn Signal
BK6 Relay coil is not
receiving power
Contact Dealer.
178 521218 6
Electrical
System
Left Turn Signal
BK6 Relay Normally open
contact is shorted
Replace relay.
178 521218
7
Electrical
System
Left Turn Signal
BK6 Relay Normally closed
contact is shorted
Replace relay.
178 521202
1
Electrical
System
Wiper, Cab Fwd
BK7 Relay coil open or not
present
Check chassis module for missing replay. Replace
relay.
178 521202 2
Electrical
System
Wiper, Cab Fwd
BK7 Relay Coil shorted or
failed relay driver
Replace relay.
178 521202 3
Electrical
System
Wiper, Cab Fwd
BK7 Relay Normally Open
contact is open
Replace relay.
178 521202
4
Electrical
System
Wiper, Cab Fwd
BK7 Relay Normally Closed
contact is open
Replace relay.
178 521202
5
Electrical
System
Wiper, Cab Fwd
BK7 Relay coil is not
receiving power
Contact Dealer.
178 521202
6
Electrical
System
Wiper, Cab Fwd
BK7 Relay Normally open
contact is shorted
Replace relay
178 521202
7
Electrical
System
Wiper, Cab Fwd
BK7 Relay Normally closed
contact is shorted
Replace relay
178 521234 1
Electrical
System
Hydraulic Selector 1/2
BK9 Relay coil open or not
present
Check chassis module for missing replay. Replace
relay.
178 521234 2
Electrical
System
Hydraulic Selector 1/2
BK9 Relay Coil shorted or
failed relay driver
Replace relay
REFERENCE