What does TC with a slash mean?

1 Answers
MaciLee
07/29/25 6:06pm
TC with a slash refers to the traction control being turned off, which may be due to accidentally pressing the traction control switch near the gear lever, thereby deactivating the traction control system. If accidental activation is ruled out, it indicates a malfunction in the traction control system. The role of the traction control system is to ensure that the vehicle obtains good traction under various driving conditions. A malfunction in the traction control system is not a minor issue and requires timely repair. Causes of traction control system failure include: 1. Solenoid valve failure; 2. Dirty engine oil clogging the solenoid valve filter; 3. Wear of the actuator gear and impeller leading to oil pressure leakage and triggering an alarm; 4. Dirty throttle body with an opening reaching 20%, causing the engine computer to mistakenly diagnose a TC fault.
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