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New Beetle L4-2.0L (AZG) (2003)

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Antenna Control Module > Component Information > Technical Service Bulletins > Customer Interest for Antenna Control Module: > 9105-01 > May > 05 > Audio System - Poor Radio Reception > Page 36

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If no apparent connection problems:

-

Replace amplifier.

If concern is poor FM reception:

-

Disconnect all amplifiers, tune radio to high-powered station for your area.

-

Connect amplifiers one at a time.

If reception is indicated:

-

Disconnect that amplifier and move on to next amplifier.

If at any point in reconnecting amplifiers there is a loss in reception and there are no connection issues:

-

Replace that amplifier and check again.

If there is no reception change when disconnecting and reconnecting all amplifiers:

-

Replace diversity/antenna selection box.

Jetta / Golf / Passat (non W8) - Antenna system (Amplified Antenna Mast)

-

Check connections at antenna base.

-

Check for corrosion at mounting.

If corrosion is found:

-

Clean mount and apply anti-seize gel to mounting.

If concern is no AM and/or little or poor AM/FM reception,

-

Replace antenna base.

Section 4- Antenna cables 

If antenna cables are required:

-

Antenna cables - single DIN (Premium V) radio.

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Antenna Control Module > Component Information > Technical Service Bulletins > Customer Interest for Antenna Control Module: > 9105-01 > May > 05 > Audio System - Poor Radio Reception > Page 36

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