DESCRIPTION:
Diesel exhaust fluid (DEF) pressure sensor circuit voltage above normal or shorted to high source.
MONITORED PARAMETER:
Diesel exhaust fluid (DEF) pressure sensor.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Always enabled
TYPICAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine Idle: One minute.
PROBABLE CAUSES:
1. DEF pressure sensor.
2. DEF pressure sensor connector/harness.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4332 FMI 31 (ACM) DOC Inlet Temperature Out of Range Low Preventing Dosing
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4331 FMI 18 (ACM) DEF Dosing Quantity Low
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4331 FMI 16 (ACM) DEF Dosing Quantity High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4258 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Ground
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4258 FMI 3 (MCM) Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Battery
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4257 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder 1, 2, 3 Shorted to Ground