OBD Code P0591

Cruise Control Multi-Function Input “B” Circuit Range/Performance

What’s mean?

OBD2 Code P0591 Definition:

Symptoms

Possible sumptoms of P0591
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0591
– Open or short speed control switch circuit condition – Poor speed control switch electrical connection – Faulty speed control switch – Failed SCCM The Error code is generally activated on detection of the following conditions: The Steering Column Control Module (SCCM) has detected that the Speed Control Switch 2 is not operating correctly

Possible Solutions