Detroit DD15 GHG14 (2014-16) Fault Code: SPN 1761 FMI 3 (ACM) Diesel Exhaust Fluid (DEF) Tank Level Sensor Circuit Failed High (Shorted to Power or an Open in the Circuit)

DESCRIPTION:
DEF tank level tank level sensor circuit failed high.

MONITORED PARAMETER:
DEF tank level sensor.

TYPICAL ENABLING CONDITIONS:
always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
2 seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
1. 25% Derate.
2. After 4 hours engine will be idle after ignition key cycle.

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. DEF tank level sensor harness/connector.
2. DEF tank level sensor.