Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Low Tire Warning (LTW) System
The Low Tire Warning (LTW) System detects differences in inflation pressures in one or more tires. The system uses the ABS wheel speed sensors to monitor the rolling radius of the wheel and tire assemblies. If a difference in rolling radius is detected, the ABS module illuminates the LTW lamp located in the instrument cluster. The LTW system must be reset when tire replacement, maintenance, or system repair is performed, or any time the tire pressure is adjusted. To reset the system, press and hold the "Tire Reset" switch for a minimum of 3 seconds. The LTW warning lamp will flash 3 times indicating a reset has be initiated.
If the lamp illuminates always, inflate the tire pressure to specification before resetting the system. If the problem persists, go to the Symptom Chart . For additional information, Refer to SUSPENSION SYSTEM article . The LTW system is not capable of detecting rapid loss of inflation. The system may not detect loss of inflation in more than one tire.
The LTW system can be deactivated. For additional information regarding deactivation, refer to INFORMATION, GAUGES & WARNING DEVICES .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.