Holding
Parameter
Register
Embedded Code Version Number
40281
(a)
Embedded Code Version Number
40282
(b)
Embedded Code Version Number
40283
(c)
40287-97
RESERVED
Read Relay Image of both Main
40298
and Aux Output
40299
RESERVED
J1939 DIAGNOSTIC TROUBLE CODES
Active DTC Number 16 – Lower
40300
Two Bytes
Active DTC Number 16 – Upper
40301
Two Bytes
Active DTC Number 15 – Lower
40302
Two Bytes
Active DTC Number 15 – Upper
40303
Two Bytes
Active DTC Number 14 – Lower
40304
Two Bytes
Active DTC Number 14 – Upper
40305
Two Bytes
Active DTC Number 13 – Lower
40306
Two Bytes
Active DTC Number 13 – Upper
40307
Two Bytes
Active DTC Number 12 – Lower
40308
Two Bytes
Active DTC Number 12 – Upper
40309
Two Bytes
Active DTC Number 11 – Lower
40310
Two Bytes
Active DTC Number 11 – Upper
40311
Two Bytes
Active DTC Number 10 – Lower
40312
Two Bytes
Active DTC Number 10 – Upper
40313
Two Bytes
Active DTC Number 9 – Lower
40314
Two Bytes
Active DTC Number 9 – Upper
40315
Two Bytes
Active DTC Number 8 – Lower
40316
Two Bytes
Active DTC Number 8 – Upper
40317
Two Bytes
Active DTC Number 7 – Lower
40318
Two Bytes
9400200990 Rev I
Range
0-99
0-9999
0-9999
individual bits
are 0 or 1
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
0-65535
DGC-2020 Modbus™ Communication
Read/Write
Data
Supported
Format
R
R
R
Main is in lower byte and Aux is in
upper byte.
b0 = Aux Output 1,
b1 = Aux Output 2,
b2 = Aux Output 3,
b3 = Aux Output 4,
b4 = Aux Output 5,
b5 = Aux Output 6,
b6 = Aux Output 7,
R
b7 = Aux Output 8.
b8 = Master Start Relay,
b9 = Fuel Solenoid Relay,
b10 = PreHeat PreLube Relay,
b11 = Alarm Relay,
b12 = UNASSIGNED,
b13 = Buzzer On,
b14 = EPS Loaded Relay,
b15 = PreAlarm Relay,
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Half of a set of DTC data as defined in
R
SAE J1939-73
Units
B-13