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What does it mean when the Lexus TRC is turned off?

1 Answers

VanGabriel

07/28/25 7:07pm

Lexus TRC being turned off means: the traction control system is malfunctioning and deactivated. The mechanical structure of the TRC (Active Traction Control) system prevents wheel spin of the drive wheels when driving on slippery surfaces like snow, enabling smooth vehicle starting and acceleration, supporting the fundamental driving functions. The traction control system ensures optimal traction under various driving conditions. After the TRC system is turned off, you can restart the vehicle to automatically reactivate TRC, or press the TRC button on the steering wheel to manually activate the system. However, the location of the TRC button may vary across different vehicle models. The TRC system is enabled by default. If it's turned off and cannot be reactivated, try restarting the vehicle. If TRC still doesn't activate after restarting, you'll need to visit a 4S shop or professional auto repair shop, where technicians can use a code reader to diagnose the issue. Only by identifying the specific problem can appropriate repairs be made. Driving with TRC turned off is possible, but the engine won't reduce power output when wheel slip occurs, leading to drive wheel spin on slippery surfaces. As an auxiliary driving system, TRC contributes to driving stability, so it's generally advisable not to deactivate it during normal driving. However, if the vehicle gets stuck in mud, sludge, or snow, the owner can manually turn off TRC to increase power delivery to the wheels and help extricate the vehicle from difficult situations.

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