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Home >> BMW >> 2009 >> X5 35d >> Repair and Diagnosis >> External Pages >> Different car >> Section 3957 (Functional Description - F10 - Stability Control System, Tire & Wheel System, Lubrication System) >> Tire & Wheel System - Functional Description >> Tire Pressure Monitor (RDC) (Ver. 2) >> Notes for Service department >> Diagnosis instructions

Diagnosis instructions

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IMPORTANT: Preconditions for reset.

The RDC must be reset in the following cases:

- The tire pressure is changed.

NOTE: Check of the wheel electronics system

A check as to whether the correct wheel electronics system has been fitted can only by run after the tire has been dismantled. Unfortunately, a query via the BMW diagnosis system is not possible for technical reasons.

NOTE: Reset of the RDC control unit

During the reset, the control unit functions (measurement data of wheels 1 - 5) contain substitute values until the wheel allocation is complete (e.g. 6.4 bar; 127 °Celsius). To enable successful conclusion of the wheel allocation, the wheels must turn.