Pcm ?
#1
Pcm ?
I am working on a 96 Chevy 1500 2wd 4.3l vin W. Was told that the vehicle had been cutting off and asked if there was a ses light on and there was not. Initially I assumed it was probably a crank position sensor after our discussion, but when i plugged in my diagnostics machine i was unable to access the PCM. This coupled with the lack of a check engine light has led me to believe that the PCM may be bad. I checked power to the PCM Orange #21 in connection harness, plenty of power. Is there a way that anyone knows that I may be able to check the integrity of the PCM without trying another one? Any thoughts at all would be appreciated. Thanks.
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superddd
Chevy Silverado/ GMC Sierra Forum
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04-11-2007 03:45 AM