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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3364 FMI 18 (ACM) Improper Diesel Exhaust Fluid Quality Warning

DESCRIPTION:
Improper diesel exhaust fluid (DEF) quality warning.

MONITORED PARAMETER:
DEF quality

TYPICAL ENABLING CONDITIONS:
DEF refill event detected.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Two hours

DASH LAMPS:
1. MIL
2. CEL
3. DEF Lamp Flash

ENGINE REACTION:
None

VERIFICATION:
Parked regeneration

PROBABLE CAUSES:
1. DEF contaminated, drain & flush system.
2. DEF pressure sensor.
3. DEF pressure sensor connector/harness.
4. DEF supply & air lines leaking/kinked.
5. DEF temperature sensor.
6. DEF temperature sensor connector/harness.
7. Perform stationary regen.