What does it mean when the 4lo light flashes?
1 Answers
The flashing 4lo warning light indicates that the vehicle has entered the low-speed cruise control system. When this light illuminates, it is necessary to consult a professional who can use a diagnostic scanner to read the fault code and identify the root cause of the issue for targeted repairs. After completing the repairs, the fault code should be cleared. The working principle of the cruise control system can be simply described as follows: The cruise control module reads the pulse signal from the vehicle speed sensor and compares it with the preset speed. Based on this comparison, it sends commands to the servo mechanism to adjust the throttle opening, either increasing or decreasing it, to maintain the vehicle at the set speed. Solutions for the flashing 4lo light: Switch between high-range and low-range 4WD modes, and during the switching process, press the accelerator pedal a few times. Firmly press the ABS sensor connectors near the front and rear wheels and the 4WD transfer case connector located under the middle of the vehicle. For professional repair, visit a repair shop to use a diagnostic scanner to read the specific fault code and proceed with the necessary repairs. Alternatively, move the lever by pressing the brake, shifting into neutral (N), and then lifting the first of the four levers in front of the center console from left to right for three seconds.