(Table 176, contd)
Diagnostic Trouble Codes for the Electrical Power Supply
J1939 Code
PDL Code Code Description
(code descriptions may vary)
Comments
3226-6 3609-6 Aftertreatment 1 Outlet NOx : Current Above
Normal
The ECM detects current that is above the
acceptable value
3360-3 3820-3 Aftertreatment #1 DEF Controller : Voltage
Above Normal
The ECM detects voltage that is above the
acceptable value.
3360-4 3820-4 Aftertreatment #1 DEF Controller : Voltage
Below Normal
The ECM detects voltage that is below the
acceptable value.
4380-2 4592-2 Aftertreatment 1 Outlet NH3 Gas Sensor
Power In Range : Erratic, Intermittent, or
Incorrect
The ECM detects that the power supply to
the ammonia (NH3) sensor is not stable.
5758-11 3621-11 Engine Exhaust NOx Level Sensor Power
Supply: Other Failure Mode
The ECM detects voltage that is outside the
acceptable value.
5759-11 3619-11 Aftertreatment #1 Outlet#1 NOx Level Sensor
Power Supply: Other Failure Mode
The ECM detects voltage that is outside the
acceptable value.
The engine ECM requires the keyswitch to be in the
ON position to maintain communications with the
electronic service tool.
UENR4469-36 315
Circuit Tests
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