Error code
OBD2 P0566
OBD2P0566
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cruise Control Off Signal.
Severity
moderateCan continue driving without immediate danger, but cruise control will not function.
Summary
P0566 indicates an issue with the cruise control master switch's OFF signal, which is part of the cruise control system.
Common Causes
- Wiring issues related to the cruise control master switch
- Faulty cruise control master switch
Fixes
- Replace the faulty cruise control master switch or repair related wiring issues.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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- P0504Brake Switch 'A'/'B' Correlation
- P0505Idle Air Control System
- P0506Idle Air Control System RPM Lower Than Expected
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- P0508Idle Air Control System Circuit Low
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