Cruise Control On Signal
The ECU detects an implausible state of the cruise control on/off signal - either the master switch is stuck on, intermittent, or shows a logic level that does not match other dash signals.
Affected components
- Cruise master switch
Common causes
- High likelihood: Master switch stuck closed
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.