P0591 JEEP Speed Control Multiplexed Switch Performance

Possible causes

– Faulty Speed Control Switch
– Speed Control Switch harness is open or shorted
– Speed Control Switch circuit poor electrical connection

What about the obd code?

The Steering Column Control Module (SCCM) has detected that the Speed Control Switch 2 is not operating correctly

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)