2002 Acura Mdx p1656 - scanner code - vtm-4 light- subwoofer hum

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Old 11-22-2014, 10:14 PM
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Question 2002 Acura Mdx p1656 - scanner code - vtm-4 light- subwoofer hum

Hi,

The vtm-4 light just came on my 2002 Acura Mdx cluster.
I scanned it and : P1656 came up

It means : Transmission cpu to vsa Module .
Communication line confirmed.

Ive tried clearing the code it does not go away.

Any input ?

Also I noticed at the same time when my radio is on with very little volume there is a loud hum/buzz which appears to come from the factory rear built in sub. Not sure if this issue can be related or just coincidence ?

Last edited by TLOHTL; 11-22-2014 at 10:17 PM.
Old 11-26-2014, 01:02 AM
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Any 1 ?
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