September 2016
Part No. 1272856
GTH-1256
4-11
Section 4 • Fault Codes
FAULT CODES
523450
3
Multiple Stage Switch constant speed; short circuit to battery
523450
4
Multiple Stage Switch constant speed; short circuit to ground
523450
2
Multiple Stage Switch constant speed; plausibility error
523451
3
Multiple Stage Switch engine speed control parameter; short circuit to battery
523451
4
Multiple Stage Switch engine speed control parameter; short circuit to ground
523451
2
Multiple Stage Switch engine speed control parameter; plausibility error
523452
3
Multiple Stage Switch engine torque limitation curve; short circuit to battery
523452
4
Multiple Stage Switch engine torque limitation curve; short circuit to ground
523452
2
Multiple Stage Switch engine torque limitation curve; plausibility error
1176
3
Sensor error pressure sensor upstream turbine; signal range check high
1176
4
Sensor error pressure sensor downstream turbine; signal range check high
523613
0
Maximum positive deviation of rail pressure exceeded (RailMeUn0)
523613
0
Maximum positive deviation of rail pressure in metering unit exceeded (RailMeUn1)
523613
0
Railsystem leakage detected (RailMeUn10)
523613
0
Maximum negative deviation of rail pressure in metering unit exceeded (RailMeUn2)
523613
0
Negative deviation of rail pressure second stage (RailMeUn22)
523613
1
Minimum rail pressure exceeded (RailMeUn3)
523613
0
Maximum rail pressure exceeded (RailMeUn4)
523613
2
Setpoint of metering unit in overrun mode not plausible
523470
7
Maximum rail pressure in limp home mode exceeded (PRV)
157
3
Sesnor error rail pressure; signal range check high
157
4
Sensor error rail pressure; signal range check low
523633
11
Nox conversion rate insuf
fi
cient (SCR-Cat defect, bad AdBule quality)
523633
11
Nox conversion rate insuf
fi
cient (SCR-Cat defect, bad AdBule quality); temperature range 1
523633
11
Nox conversion rate insuf
fi
cient (SCR-Cat defect, bad AdBule quality); temperature range 2
3234
11
Nox Sensor downstream of SCR Catalysator; plausibility error "stuk in range"
3224
1
Nox sensor upstream of SCR Catalysator; low signal not plausible
4345
11
Sensor back
fl
ow line pressure (SCR); plausibility error
4343
11
General pressure check error (SCR)
4374
13
Pressure stabilisation error dosing valve (SCR)
523723
11
Detection of AdBlue
fi
lled SCR system in Init-State
523632
16
Pump pressure SCR metering unit too high
523632
18
Pump pressure SCR metering unit too low
523632
0
Pressure overload of SCR-System
523632
1
Pressure build-up error SCR-System
4365
0
Urea tank temperature too high
