(Table 213, contd)
Diagnostic Trouble Codes for Analog Passive Sensors
J1939 Code PDL Code
Code Description
(code descriptions may
vary)
Comments
110-4 110-4
Engine Coolant Temperature :
Voltage Below Normal
The ECM detects the following conditions:
The signal voltage from the engine coolant temperature sensor is less than
0.2 VDC for more than 8 seconds.
An active diagnostic code will be generated after 8 seconds. The diagnostic
code will be logged if the engine has been operating for more than 7 minutes.
The ECM will default to 90 °C (194 °F) for engine coolant temperature. “Volt-
age Below Normal” will be displayed next to the status for “Engine Coolant
Temperature” on the electronic service tool.
The engine may show the following symptoms:
Poor stability
Poor cold running
White smoke
172-3 2526-3
Engine Air Inlet Temperature :
Voltage Above Normal
The ECM detects the following conditions:
The signal voltage from the air inlet temperature sensor is greater than 4.95
VDC for at least 8 seconds.
172-4 2526-4
Engine Air Inlet Temperature :
Voltage Below Normal
The ECM detects the following conditions:
The signal voltage from the air inlet temperature sensor is less than 0.2 VDC
for at least 8 seconds.
174-3 174-3
Engine Fuel Temperature 1 :
Voltage Above Normal
The ECM detects the following conditions:
The signal voltage from the fuel temperature sensor is greater than 4.95 VDC
for more than 8 seconds.
The ECM will default to 40° C (104° F) for fuel temperature. “Voltage Above
Normal” will be displayed next to the status for “Engine Fuel Temperature” on
the electronic service tool.
174-4 174-4
Engine Fuel Temperature 1 :
Voltage Below Normal
The ECM detects the following conditions:
The signal voltage from the fuel temperature sensor is less than 0.2 VDC for
more than 8 seconds.
The ECM will default to 40° C (104° F) for fuel temperature. “Voltage Below
Normal” will be displayed next to the status for “Engine Fuel Temperature” on
the electronic service tool.
412-3 3386-3
Engine Exhaust Gas Recircula-
tion Temperature : Voltage
Above Normal
The ECM detects the following conditions:
The signal voltage from the Nox Reduction System (NRS) temperature sensor
is greater than 4.975 VDC for more than 8 seconds.
412-4 3386-4
Engine Exhaust Gas Recircula-
tion Temperature : Voltage Be-
low Normal
The ECM detects the following conditions:
The signal voltage from the NRS temperature sensor is less than 0.2 VDC for
more than 8 seconds.
(continued)
UENR4469-36 391
Circuit Tests
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