P0591 OBD Code Definition:
P0591 Speed Control Multiplexed Switch Performance
P0591 OBD Code Description:

OBD Code P0591

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

What’s mean?

OBD2 Code P0591 Definition:


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

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