MacDon M1240 - Page 558

215916 538 Revision A
Fault Codes
Telltale
Short
Description
Full Fault
Description
Recommended
Fix/Check Message
SA SPN FMI
178 521250 2
Electrical System
Tail Lights, Cab Fwd BK4 Relay Coil shorted or
failed relay driver
Replace relay
178 521250 3
Electrical System
Tail Lights, Cab Fwd BK4 Relay Normally Open
contact is open
Replace relay
178 521250
4
Electrical System
Tail Lights, Cab Fwd BK4 Relay Normally Closed
contact is open
Replace relay
178 521250
5
Electrical System
Tail Lights, Cab Fwd BK4 Relay coil is not
receiving power
Contact Dealer
178 521250 6
Electrical System
Tail Lights, Cab Fwd BK4 Relay Normally open
contact is shorted
Replace relay
178 521250
7
Electrical System
Tail Lights, Cab Fwd BK4 Relay Normally closed
contact is shorted
Replace relay
178 521266
1
Electrical System
SPARE
BK11 Relay coil open or not present
Check chassis module for missing relay. Replace relay.
178 521266 2
Electrical System
SPARE
BK11 Relay Coil shorted or failed relay driver
Replace relay
178 521266 3
Electrical System
SPARE
BK11 Relay Normally Open contact is open
Replace relay
178 521266
4
Electrical System
SPARE
BK11 Relay Normally Closed contact is open
Replace relay
178 521266
5
Electrical System
SPARE
BK11 Relay coil is not receiving power
Contact Dealer
178 521266 6
Electrical System
SPARE
BK11 Relay Normally open contact is shorted
Replace relay
178 521266
7
Electrical System
SPARE
BK11 Relay Normally closed contact is shorted
Replace relay
178 521274
1
Electrical System
Wiper washer BK12 Relay coil open or not
present
Check chassis module for missing relay. Replace relay.
178 521274 2
Electrical System
Wiper washer BK12 Relay Coil shorted or
failed relay driver
Replace relay
178 521274 3
Electrical System
Wiper washer BK12 Relay Normally Open
contact is open
Replace relay
178 521274
4
Electrical System
Wiper washer BK12 Relay Normally Closed
contact is open
Replace relay
REFERENCE