i08134319
DEF Tank Level Is Low
Table 46
Diagnostic Trouble Codes for DEF Tank Level Is Low
J1939 Code PDL Code
Code Description
(code descriptions may vary)
Comments
1761-1
E954 (3)
Aftertreatment 1 Diesel Exhaust Fluid
Tank Level : Low - most severe (3)
The DEF tank is 0%.
The Emissions System Malfunction lamp is on and the Action
lamp flashes.
The code is logged.
The engine may shut down.
1761-17
E954 (1)
Aftertreatment 1 Diesel Exhaust Fluid
Tank Level : Low - least severe (1)
The level fluid in the Diesel Exhaust Fluid (DEF) tank is less
than 14%.
The Emissions System Malfunction lamp comes on.
The code is logged.
1761-18
E954 (2)
Aftertreatment 1 Diesel Exhaust Fluid
Tank Level : Low - moderate severity
(2)
The level fluid in the DEF tank is less than 8%.
The Emissions System Malfunction lamp is on and the Action
lamp flashes.
The code is logged.
The engine is derated.
Follow the troubleshooting procedure to identify the root cause of the problem.
Table 47
Associated Diagnostic Trouble Codes
J1939 Code PDL Code
5392-31 E1370
1761-2 E3130
Note: If active 1761 diagnostic codes are present,
this may be due to an issue with the DEF pump
which is causing a loss of prime. Operate the
machine for several minutes and check to see if
the DEF levels recover.
Note: Troubleshoot any electrical diagnostic codes
associated with the DEF header or CAN C data link
before performing the procedure detailed below.
Complete the procedure in the order in which the
steps are listed.
Note: Before starting the troubleshooting steps,
please ensure that the DEF system (including tank
and lines) is fully thawed and is at least half full of
DEF.
112 UENR4469-36
Symptom Troubleshooting
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