Troubleshooting

Location of the Fuel Tank
Make sure that the fuel tank is not close to a heat
source. If necessary, shield the fuel tank from the
heat source.
i06225853
Inlet Air Is Restricted
The Electronic Control Module (ECM) detects a fault
with the air flow through the air filter. If the air flow
has been restricted, the ECM will generate one of the
following codes:
Table 44
Code for Inlet Air Restriction
J1939
Code
Description
Information
107-15
Engine Air Filter 1 Differential Pressure : High - least severe (1)
The Electronic Control Module (ECM) detects the following
conditions:
The air filter restriction switch indicates that the air filter is
blocked.
The engine has been operating for at least 60 seconds.
The engine speed is at least 1800 rpm.
If equipped, the warning lamp will flash
107-16
Engine Air Filter 1 Differential Pressure: High - moderate se-
verity (2)
The ECM detects that a 107-15 diagnostic code has been active
for at least 30 minutes.
If equipped, the warning lamp will flash.
The engine will be derated.
Complete the procedure in the order in which the
steps are listed.
102 UENR0612-07
Symptom Troubleshooting
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