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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 599 FMI 4 (CPC) Both Cruise Control Switches, Set and Res, are Shorted to Ground

DESCRIPTION:This fault code sets when the motor control module (MCM) detects that there is EGR pressure when the engine is not running.

MONITORED PARAMETER:EGR delta pressure.

TYPICAL ENABLING CONDITIONS:Coolant temperature greater than 80°C (176°F) and ignition is cycled off for 10 seconds.

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Continuous when enabling conditions met.

TYPICAL DURATION:15 seconds

DASH LAMPS:1. MIL2. CEL

ENGINE REACTION:Derate 25%

VERIFICATION:1. Run the engine until the coolant temperature is greater than 80°C (176°F).2. Turn the ignition off for 15 seconds.3. Turn the ignition on as a recheck for the fault code.

PROBABLE CAUSES:1. EGR delta p sensor failure.2. EGR delta p connector/harness.3. EGR delta p pressure ports blocked.

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