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GF40.15-P-5129RU Central TPM (RDK) Antenna Component Description



GF40.15-P-5129RU Central TPM [RDK] antenna component description
- with CODE (470) Tire pressure monitor (base)
- with CODE (494) USA version
- except CODE (498) Japan version
- up to model year 08


Component Identification:





The central TPM [RDK] antenna (A2/97) f the tire pressure monitor (TPM) is fitted to the lefthand side of the vehicle underfloor under the rear seats.

Different TPM systems are produced by Beru and Siemens. This must be taken into account when repairing the TPM system.

Central TPM [RDK] antenna

Task

The central TPM [RDK] antenna receives the following information from the left front TPM [RDK] wheel sensor (A69/1), the right front TPM [RDK] wheel sensor (A69/2), the left rear TPM [RDK] wheel sensor (A69/3) and the right rear TPM [RDK] wheel sensor (A69/4):
^ The absolute pressures in the tires
^ The acceleration
^ The temperatures at the individual TPM wheel sensors
^ The ID to identify the wheel

Function

The information transmitted by radio signal is supplied to the TPM [RDK] control unit over a discrete cable.