What does the ESC fault light mean in Volkswagen vehicles?
1 Answers
When a Volkswagen vehicle displays an ESC fault, it indicates that the Electronic Stability Control system is not functioning properly. Specialized diagnostic equipment is required to troubleshoot and identify the issue, and it is recommended to visit an authorized 4S dealership for inspection and repair promptly. The ESC system enhances vehicle stability and safety during lane changes or cornering. Additional Information: ESC System: The Electronic Stability Control (ESC) system is a new active safety feature in vehicles, building upon the Anti-lock Braking System (ABS) and Traction Control System. It incorporates additional sensors including yaw rate sensors, lateral acceleration sensors, and steering wheel angle sensors during turning maneuvers. The system regulates driving and braking forces on all four wheels through ECU control to maintain lateral stability. Fault Causes: The ESC system remains inactive during normal driving conditions. When the ignition is turned on, the ESC activates with warning lights illuminating, and the ESC OFF indicator light turns on for approximately 4 seconds before extinguishing. If the ESC warning light remains constantly illuminated while driving, it signifies a malfunction in the vehicle's Electronic Stability Control system, rendering it inoperative.