NO COMMS WITH ANY MODULE

2001 Chevrolet Express

Tiny

Anonymous

December, 8, 2012 AT 9:49 PM

No comms with any module. No fuel no spark. Gauges not working right ignition module gets hot with key on
checked power and ground on pcm. Checked ok replaced pcm worked ok 1/2 hour and did the samething

FOUND 731 RELATED QUESTIONS

1 Answer

Tiny

JDL

December, 8, 2012 AT 10:42 PM

About all I can tell you now is to check for voltage at pin 16 of datalink connector. Pins 4 and 5 are grounds.

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