Removing and installing telematics control unit |
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| Before removing the telematics control unit, it is possible to read out the code via the vehicle diagnostic, testing and information system -VAS 5051 oder VAS 5052- in function “J499 - Renewing telematics control unit”, and entering the code into the new telematics control unit after renewal. |
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| After renewing the telematics control unit the system must be reconfigured by the “OnStar” telematics central control centre. |
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