Table 209
Diagnostic Trouble Codes for the Data Link Sensors
J1939 Code PDL Code
Code Description
(code descriptions may vary)
Comments
3216-11 3002-11
Aftertreatment #1 Intake NOx :
Other Failure Mode
The NOx sensor cannot reach the correct operating temperature in
the defined time period
3216-12 3002-12
Aftertreatment #1 Intake NOx :
Failure
The data received from the NOx sensor is out of range.
The code is logged.
The warning lamp is illuminated.
3226-11 3609-11
Aftertreatment #1 Outlet NOx :
Other Failure Mode
The NOx sensor cannot reach the correct operating temperature in
the defined time period
3226-12 3609-12
Aftertreatment #1 Outlet NOx :
Failure
The data received from the NOx sensor is out of range.
The code is logged.
The warning lamp is illuminated.
4377-12 3138-12
Aftertreatment #1 Outlet NH3 :
Failure
(DOC/SCR engines only)
The data received from the ammonia (NH3) sensor is out of range.
The code is logged.
The warning lamp is illuminated.
If the electronic service tool will not communicate
with the ECM, refer to Troubleshooting, “Electronic
Service Tool Does Not Communicate” before starting
this procedure. The procedure verifies that electrical
power is being supplied to the ECM and to the
diagnostic connector.
The data links are used to communicate information
between the engine ECM and other control modules
that are a part of the application. The electronic
service tool also communicates with the ECM via the
data links.
The diagnostic connector contains connections for
electrical power and for the data links.
When the keyswitch is in the OFF position, the
electronic service tool may communicate with the
ECM. However, the communications may be
disrupted and the communications may require
frequent reconnection. To avoid any disruption, place
the keyswitch in the ON position when the electronic
service tool is being used.
The electronic service tool may display the following
error message:
“The version of the ECM is not recognized and the
integrity of the changed parameters and displayed
data is not guaranteed.”
This message indicates that one of the following
conditions exists:
• The flash file in the ECM is newer than the version
of the electronic service tool.
• The latest version of the electronic service tool has
not been installed.
378 UENR4469-36
Circuit Tests
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