DESCRIPTION:
Diesel Exhaust Fluid (DEF) pump circuit failed low.
MONITORED PARAMETER:
DEF pump
TYPICAL ENABLING CONDITIONS:
Ignition on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
SCR ADS self check.
PROBABLE CAUSES:
1. DEF pump harness connector/wiring.
2. DEF pump failure.
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