0327849 JOHNSON DECAL, Exhaust housing, Jo.

Table 1
J1939 Code and Description CDL Code and Description Comments
171–3
Ambient Air Temperature Sensor : Voltage Above Normal 171–3
Ambient Air Temperature Sensor : Voltage Above Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
171–4
Ambient Air Temperature : Voltage Below Normal 171–4
Ambient Air Temperature : Voltage Below Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
171–8
Ambient Air Temperature Sensor : Abnormal Frequency, Pulse Width, or Period 171–8
Ambient Air Temperature Sensor : Abnormal Frequency, Pulse Width, or Period If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1180-3
Engine Turbocharger 1 Turbine Inlet Temperature : Voltage Above Normal 3908-3
Engine Turbocharger #1 Turbine Intake Temperature Sensor : Voltage Above Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1180-4
Engine Turbocharger 1 Turbine Inlet Temperature : Voltage Below Normal 3908-4
Engine Turbocharger #1 Turbine Intake Temperature Sensor : Voltage Below Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1180-8
Engine Turbocharger 1 Turbine Inlet Temperature : Abnormal Frequency, Pulse Width, or Period 3908-8
Engine Turbocharger #1 Turbine Intake Temperature Sensor : Abnormal Frequency, Pulse Width, or Period If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1181-3
Engine Turbocharger 2 Turbine Inlet Temperature : Voltage Above Normal 3909-3
Engine Turbocharger #2 Turbine Intake Temperature Sensor : Voltage Above Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1181-4
Engine Turbocharger 2 Turbine Inlet Temperature : Voltage Below Normal 3909-4
Engine Turbocharger #2 Turbine Intake Temperature Sensor : Voltage Below Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1181-8
Engine Turbocharger 2 Turbine Inlet Temperature : Abnormal Frequency, Pulse Width, or Period 3909-8
Engine Turbocharger #2 Turbine Intake Temperature Sensor : Abnormal Frequency, Pulse Width, or Period If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1182–3
Engine Turbocharger #3 Turbine Inlet Temperature : Voltage Above Normal 3910–3
Engine Turbocharger #3 Turbine Intake Temperature Sensor : Voltage Above Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1182–4
Engine Turbocharger #3 Turbine Inlet Temperature : Voltage Below Normal 3910–4
Engine Turbocharger #3 Turbine Intake Temperature Sensor : Voltage Below Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1182–8
Engine Turbocharger #3 Turbine Inlet Temperature : Abnormal Frequency, Pulse Width, or Period 3910–8
Engine Turbocharger #3 Turbine Intake Temperature Sensor : Abnormal Frequency, Pulse Width, or Period If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1183–3
Engine Turbocharger #4 Turbine Inlet Temperature : Voltage Above Normal 3911–3
Engine Turbocharger #4 Turbine Intake Temperature Sensor : Voltage Above Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1183–4
Engine Turbocharger #4 Turbine Inlet Temperature : Voltage Below Normal 3911–4
Engine Turbocharger #4 Turbine Intake Temperature Sensor : Voltage Below Normal If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged.
1183–8
Engine Turbocharger #4 Turbine Inlet Temperature : Abnormal Frequency, Pulse Width, or Period 3911–8
Engine Turbocharger #4 Turbine Intake Temperature Sensor : Abnormal Frequency, Pulse Width, or Period If the signal from the other exhaust temperature sensor is OK, the signal from that sensor is used. If the signal from the other exhaust temperature sensor is not OK, a default value of 0 °C (32 °F) is used.
The code is logged. Reference: Refer to the Schematic for sensor and wiring locations.Probable Causes
Codes
Short circuit
Open circuit
Supply voltage
Recommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the