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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3363 FMI 5 (ACM) Diesel Exhaust Fluid Coolant Valve Circuit Failed Open

DESCRIPTION:Diesel exhaust fluid (DEF) coolant valve circuit failed open.

MONITORED PARAMETER:DEF coolant valve.

TYPICAL ENABLING CONDITIONS:Always enabled

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Always enabled

TYPICAL DURATION:Two seconds

DASH LAMPS:1. MIL2. CEL

ENGINE REACTION:Derate 10%

VERIFICATION:Engine Idle: One minute.

NOTE: If code not active, release vehicle to customer.

PROBABLE CAUSES:1. DEF coolant valve harness connector.2. Wiring between DEF coolant valve harness connector and the 120-pin ECM connection.

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