Cruise Control Accel Signal Malfunction
The cruise control accelerate input signal is implausible — switch contacts welded, wiring fault, or stalk defect. The ECU disables cruise control to prevent unintended acceleration.
Affected components
- Cruise control switch
- Cruise wiring
Common causes
- High likelihood: Cruise switch contacts faulty
- Medium likelihood: Wiring or connector fault
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.