Error code
OBD2 P0589
OBD2P0589
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.
Severity
moderateCan drive but may experience issues with cruise control functionality.
Summary
P0589 indicates an issue with the cruise control system's multi-function switch input B circuit, which is part of the cruise control module.
Common Causes
- Poor wiring connection
- Faulty multi-function switch
- Mechanical fault
Fixes
- Repair or replace the faulty component, such as the wiring or multi-function switch.
FAQ
What should I do if my car shows P0589?
Check for poor connections in the cruise control system's wiring and inspect the multi-function switch for any mechanical faults.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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