215916 539 Revision A
Fault Codes
Telltale
Short
Description
Full Fault
Description
Recommended
Fix/Check Message
SA SPN FMI
178 521274
5
Electrical
System
Wiper washer BK12 Relay coil is not
receiving power
Contact Dealer
178 521274 6
Electrical
System
Wiper washer BK12 Relay Normally open
contact is shorted
Replace relay
178 521274
7
Electrical
System
Wiper washer BK12 Relay Normally closed
contact is shorted
Replace relay
178 521315 1
Electrical
System
Brake Lights, Cab Fwd BF1 Fuse Blown
Replace blown fuse in chassis relay module.
178 521315 2
Electrical
System
Brake Lights, Cab Fwd BF1 Fuse Not Powered Contact Dealer
178 521318
1
Electrical
System
Tail Lights, Cab Fwd BF2 Fuse Blown Replace blown fuse in chassis relay module.
178 521318 2
Electrical
System
Tail Lights, Cab Fwd BF2 Fuse Not Powered Contact Dealer
178 521321
1
Electrical
System
Wiper, Cab Fwd BF3 Fuse Blown Replace blown fuse in chassis relay module.
178 521321 2
Electrical
System
Wiper, Cab Fwd BF3 Fuse Not Powered Contact Dealer
178 521324
1
Electrical
System
High Beam Lights, EF BF4 Fuse Blown
Replace blown fuse in chassis relay module.
178 521324 2
Electrical
System
High Beam Lights, EF
BF4 Fuse Not Powered
Contact Dealer
178 521327
1
Electrical
System
Wiper, EF
BF5 Fuse Blown
Replace blown fuse in chassis relay module.
178 521327 2
Electrical
System
Wiper, EF
BF5 Fuse Not Powered Contact Dealer
178 521330
1
Electrical
System
LH Turn Signal Lights BF6 Fuse Blown Replace blown fuse in chassis relay module.
178 521330 2
Electrical
System
LH Turn Signal Lights BF6 Fuse Not Powered Contact Dealer
178 521333
1
Electrical
System
RH Turn Signal Lights BF7 Fuse Blown
Replace blown fuse in chassis relay module.
178 521333 2
Electrical
System
RH Turn Signal Lights
BF7 Fuse Not Powered
Contact Dealer
REFERENCE