Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3363 FMI 0 (ACM) Diesel Exhaust Fluid Tank Temperature – High

DESCRIPTION:
Diesel exhaust fluid (DEF) tank temperature – high.

MONITORED PARAMETER:
DEF tank temperature.

TYPICAL ENABLING CONDITIONS:
1. Coolant valve closed greater than 1.5 hrs.
2. Coolant temperature greater than 158°F.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Five seconds

DASH LAMPS:
MIL

VERIFICATION:
Parked regeneration

NOTE: If codes 3363-3, 3363-4, or 3363-5 active, fix those first.

PROBABLE CAUSES:
1. Coolant line from engine to DEF pump.
2. DEF tank header assy.
3. DEF tank header assy harness/connector.