Error code
OBD2 P0590
OBD2P0590
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cruise Control Multi-Function Input 'B' Circuit Stuck.
Severity
moderateCan drive, but cruise control will not function properly.
Summary
P0590 indicates that there is an issue with the cruise control system's multi-function switch input circuit 'B', which may be stuck or malfunctioning.
Common Causes
- Poor wiring connection
- Faulty multi-function switch
- Mechanical fault
Fixes
FAQ
How can I diagnose P0590?
Check the wiring and connections related to the multi-function switch input circuit 'B' for any signs of damage or poor connection.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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