Tire Pressure Monitoring System Description: Notes

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The tire pressure monitoring system is included in the software in the ABC Control Module -J104-. The system will recognize a slow and gradual decrease in tire pressure on a wheel. DTC memory faults for tire pressure monitoring are stored in the ABC Control Module -J104-. With the help of the ABS speed sensor, the TPMS compares the speed and rolling circumference of the individuals wheels.

After the following work and/or changes and with the ignition switched on, the Tire Pressure Monitoring Display Button -E492- must be pressed until the confirmation chime sounds:

Tire pressure change
A change in one or more tires
Changing a tire, for example, from front to rear
Removing or installing one or multiple tires

If a tire has changed in circumference, the Tire Pressure Monitoring Display Indicator Lamp -K220- in the instrument cluster will come on. Rolling circumference of a tire may change due to:

Insufficient tire pressure
Structural damage on tires
Vehicle is loaded heavily on one side
high load on one axle, when towing trailer for example
when snow chains are used
Spare wheel is mounted
One wheel is replaced