What to do when the TC warning light is on?
1 Answers
The TC warning light being on is usually caused by accidentally turning off the traction control switch next to the gear shift lever. Simply turn the switch back on to resolve the issue. If the possibility of accidental switch deactivation by the driver is ruled out, it indicates a malfunction in the traction control system, and the vehicle should be promptly taken to a repair shop for inspection. The traction control system is designed to ensure stable traction under various driving conditions. An illuminated TC light signifies a fault in the traction control system, which could be due to issues such as a faulty solenoid valve, dirty engine oil clogging the solenoid valve filter screen, or wear in the actuator gears and impeller leading to oil pressure leakage. These conditions can all result in traction control system malfunctions. Additionally, a dirty throttle body with an opening reaching 20% may cause the engine control unit to misdiagnose a TC system fault.