Lexus GX460 cruise control hesitates and jerks when re-engaged, dealer unable to fix on Lexus GX460

Some Lexus GX460 owners report experiencing issues with cruise control, such as hesitation and jerking when re-engaged, which can be frustrating, especially if the dealer has not resolved the problem. Common reasons for these malfunctions include problems with the control module, sensor issues, or throttle actuation problems that may require troubleshooting or replacement. Additionally, some owners have noted that issues with the throttle actuation system can negatively affect cruise control performance. If the cruise control hesitates and jerks, it may indicate underlying component issues that need to be diagnosed and repaired. Other potential causes for cruise control failures include a blown fuse, a defective brake pedal switch, throttle control system issues, or problems with the ABS. In older systems, a broken vacuum line may also lead to cruise control malfunctions. If these issues persist despite dealer attempts at resolution, consulting a trusted mechanic or specialist for a thorough inspection and diagnosis is advisable.