Remote keys low range

[tmvk-]

Remote key range have been slowly decreased to 2 meters.
Is there something component (eg capacitors), which get old?

C5/2.0/2001

[Namerows]

Have you simply checked current batt voltage?

[tmvk-]

Changed new battery many times.

[Lunacy]

You need to change the key. in the past I have the same problem on a VW Passat 3BG.

[rommanuss]

It is probably due to electronic components aging which results in a frequency offset, lowering the transmitted power at the expected frequency of the car.
Some remote keys include a frequency setting (potentiometer or software setting) and some generic key/remote sellers are able to fix this kind of issue.

[1 6 D]

In Golf 5 and similar cars there is coding about limitation of range by ussing remote