P0566 ISUZU Cruise Control Off Signal.Resume Signal/Set Signal

Possible causes
– Faulty Cruise Multifunction Switch
– Cruise Multifunction Switch harness is open or shorted
– Cruise Multifunction Switch circuit poor electrical connection
When is the code detected?
The Engine Control Module (ECM) has detected a fault in the Cruise Multifunction Switch
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Cruise control system inoperative