DESCRIPTION:
Electronic dosing valve (EDV) circuit failed high.

MONITORED PARAMETER:
Electronic dosing valve (EDV) circuit.

TYPICAL ENABLING CONDITIONS:
Doser enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Doser enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 10%

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. Wiring between the EDV and the 120-pin ECM connection.
2. Metering unit failure.
3. Electronic dosing valve failure.