2002 Chevy Astro pcm not sending 5 volts to knock sensor

2002 CHEVROLET ASTRO
152,456 MILES • 6 CYL • 2WD • AUTOMATIC
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LUMBEE1981
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pcm not sending 5 volts to knock senors, already test the wires to make sure they were good going to sensor........
Sep 27, 2009 at 12:40 PM
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DOCFIXIT
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If wireing good then check at PCM if no 5 V reference then PCM faulty
Sep 27, 2009 at 4:26 PM