April 2017
SPN = Suspect Parameter Number
ASPN = Alternate Suspect Parameter Number
FMI = Failure Mode Identifier
SPN
ASPN FMI
Description
4243
11
SCR system heater diagnostic reports error; shut off SCR-system
4334
0
Urea pump pressure; out of range
1
Urea pump pressure; out of range
3
Sensor error urea pump pressure; signal range check high
4
Sensor error urea pump pressure; signal range check low
4341
3
SCR-heater urea supplyline; short circuit to battery
4
SCR-heater urea supplyline; short circuit to ground
5
SCR heater relay urea supplyline; open load
4343
3
SCR heater urea pressureline; short circuit to battery
4
SCR heater urea pressureline; short circuit to ground
5
SCR heater relay urea pressureline; open load
11
General pressure check error (SCR)
4345
3
SCR heater urea returnline; short circuit to battery
4
SCR heater urea returnline; short circuit to ground
5
SCR heater relay urea returnline; open load
11
Sensor backflow line pressure (SCR); plausibility error
4360
0
Physical range check high for urea catalyst upstream temperature
1
Physical range low for urea catalyst upstream temperature
3
Sensor error urea catalyst exhaust gas temperature upstream; signal range check high
4
Sensor error urea catalyst exhaust gas temperature upstream; signal range check low
4365
0
Urea tank temperature too high
4366
3
SCR Tank heating valve; short circuit to battery
4
SCR Tank heating valve; short circuit to ground
5
SCR main relay (secondary side): open load
12
SCR-heater relay urea tank powerstage output; over temperature
SCR main relay; short circuit
SCR Tank heating valve; open load
4374
13
Pressure stabilisation error dosing valve (SCR)
Part No. 1278145
Deutz TCD3.6 Engine Fault Codes
GTH-1056
Service and Repair Manual
89