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Toyota Sienna Radio Problems

by Andrea Stein

The Toyota Sienna is a family minivan first produced by Toyota in 1998 and renowned for high reliability; it is still in production as of 2011. The Toyota Sienna can develop chronic radio problems, however, which often take some time and troubleshooting to resolve.

Display Problems

The radio display in a Toyota Sienna can flicker, or work intermittently, due to water leaking through to the radio components during heavy rain or due to a defective LCD backlight. Display problems typically are resolved by replacing the Toyota Sienna radio.

Bad Reception

Toyota Sienna radios can suffer from bad reception, particularly AM channels that receive a weaker signal. Poor reception can result from interference from other electrical components in the Toyota Sienna. Check the Sienna for loose or damaged alternator and sparkplug wiring and make the necessary replacements.

Amplifier Problems

Amplifier problems in the Toyota Sienna, often indicated by popping or hissing sounds or lack of volume, can be caused by a poorly attached ground wire. Ensure the wire is securely attached to rust-free metal on the Sienna’s chassis, or replace the wire if damage is apparent.

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