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Control module replacement - PCM2

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The PCM2 is provided in active production mode in new vehicles and as a spare part. Each time the vehicle is started, the model range code that is stored is compared with the code in the instrument cluster. If no match is found, the device switches off after 30 seconds and the PROTECTED message appears in the display. The device is not operational.

If a match is found, the device is operational. No further checks are made while the device is connected to the vehicle electrical system.

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